message stringlengths 2 11.9k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 137 108k | cluster float64 18 18 | __index_level_0__ int64 274 217k |
|---|---|---|---|---|---|
Provide a correct Python 3 solution for this coding contest problem.
Write a program which reverses a given string str.
Input
str (the size of str ≤ 20) is given in a line.
Output
Print the reversed str in a line.
Example
Input
w32nimda
Output
admin23w | instruction | 0 | 46,946 | 18 | 93,892 |
"Correct Solution:
```
n=input()
print(n[::-1])
``` | output | 1 | 46,946 | 18 | 93,893 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which reverses a given string str.
Input
str (the size of str ≤ 20) is given in a line.
Output
Print the reversed str in a line.
Example
Input
w32nimda
Output
admin23w | instruction | 0 | 46,947 | 18 | 93,894 |
"Correct Solution:
```
n=list(input())
k=len(n)
for i in range(int(k/2)):
n[i],n[k-i-1]=n[k-i-1],n[i]
for i in range(k):
print(n[i], end="")
print("")
``` | output | 1 | 46,947 | 18 | 93,895 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which reverses a given string str.
Input
str (the size of str ≤ 20) is given in a line.
Output
Print the reversed str in a line.
Example
Input
w32nimda
Output
admin23w | instruction | 0 | 46,948 | 18 | 93,896 |
"Correct Solution:
```
# -*- coding: utf-8 -*-
print ( input ( )[::-1] )
``` | output | 1 | 46,948 | 18 | 93,897 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which reverses a given string str.
Input
str (the size of str ≤ 20) is given in a line.
Output
Print the reversed str in a line.
Example
Input
w32nimda
Output
admin23w | instruction | 0 | 46,949 | 18 | 93,898 |
"Correct Solution:
```
# Aizu Problem 0006: Reverse Sequence
#
import sys, math, os
# read input:
PYDEV = os.environ.get('PYDEV')
if PYDEV=="True":
sys.stdin = open("sample-input.txt", "rt")
print(input().strip()[::-1])
``` | output | 1 | 46,949 | 18 | 93,899 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reverses a given string str.
Input
str (the size of str ≤ 20) is given in a line.
Output
Print the reversed str in a line.
Example
Input
w32nimda
Output
admin23... | instruction | 0 | 46,950 | 18 | 93,900 |
Yes | output | 1 | 46,950 | 18 | 93,901 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reverses a given string str.
Input
str (the size of str ≤ 20) is given in a line.
Output
Print the reversed str in a line.
Example
Input
w32nimda
Output
admin23... | instruction | 0 | 46,951 | 18 | 93,902 |
Yes | output | 1 | 46,951 | 18 | 93,903 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reverses a given string str.
Input
str (the size of str ≤ 20) is given in a line.
Output
Print the reversed str in a line.
Example
Input
w32nimda
Output
admin23... | instruction | 0 | 46,952 | 18 | 93,904 |
Yes | output | 1 | 46,952 | 18 | 93,905 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reverses a given string str.
Input
str (the size of str ≤ 20) is given in a line.
Output
Print the reversed str in a line.
Example
Input
w32nimda
Output
admin23... | instruction | 0 | 46,953 | 18 | 93,906 |
Yes | output | 1 | 46,953 | 18 | 93,907 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reverses a given string str.
Input
str (the size of str ≤ 20) is given in a line.
Output
Print the reversed str in a line.
Example
Input
w32nimda
Output
admin23... | instruction | 0 | 46,954 | 18 | 93,908 |
No | output | 1 | 46,954 | 18 | 93,909 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reverses a given string str.
Input
str (the size of str ≤ 20) is given in a line.
Output
Print the reversed str in a line.
Example
Input
w32nimda
Output
admin23... | instruction | 0 | 46,955 | 18 | 93,910 |
No | output | 1 | 46,955 | 18 | 93,911 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reverses a given string str.
Input
str (the size of str ≤ 20) is given in a line.
Output
Print the reversed str in a line.
Example
Input
w32nimda
Output
admin23... | instruction | 0 | 46,956 | 18 | 93,912 |
No | output | 1 | 46,956 | 18 | 93,913 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reverses a given string str.
Input
str (the size of str ≤ 20) is given in a line.
Output
Print the reversed str in a line.
Example
Input
w32nimda
Output
admin23... | instruction | 0 | 46,957 | 18 | 93,914 |
No | output | 1 | 46,957 | 18 | 93,915 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
zscoder loves simple strings! A string t is called simple if every pair of adjacent characters are distinct. For example ab, aba, zscoder are simple whereas aa, add are not simple.
zscoder is g... | instruction | 0 | 47,526 | 18 | 95,052 |
Yes | output | 1 | 47,526 | 18 | 95,053 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
zscoder loves simple strings! A string t is called simple if every pair of adjacent characters are distinct. For example ab, aba, zscoder are simple whereas aa, add are not simple.
zscoder is g... | instruction | 0 | 47,528 | 18 | 95,056 |
Yes | output | 1 | 47,528 | 18 | 95,057 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
zscoder loves simple strings! A string t is called simple if every pair of adjacent characters are distinct. For example ab, aba, zscoder are simple whereas aa, add are not simple.
zscoder is g... | instruction | 0 | 47,529 | 18 | 95,058 |
Yes | output | 1 | 47,529 | 18 | 95,059 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr... | instruction | 0 | 47,704 | 18 | 95,408 |
"Correct Solution:
```
import collections
import sys
S=collections.deque(input())
Q=int(input())
r=0
for _ in range(Q):
fs=next(sys.stdin).split()
T=int(fs[0])
if T==1:
r^=1
else:
F,C=int(fs[1])-1,fs[2]
if F==r:
S.appendleft(C)
else:
S.append(C)
... | output | 1 | 47,704 | 18 | 95,409 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr... | instruction | 0 | 47,705 | 18 | 95,410 |
"Correct Solution:
```
s=input()
n=int(input())
t=""
for _ in range(n):
q=input().split()
if q[0]=="1":
t,s=s,t
else:
if q[1]=="1":
t+=q[2]
else:
s+=q[2]
t=t[::-1]
print(t+s)
``` | output | 1 | 47,705 | 18 | 95,411 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr... | instruction | 0 | 47,706 | 18 | 95,412 |
"Correct Solution:
```
import sys
s=input()
q=int(input())
a=[]
b=[]
c=0
for i in sys.stdin:
if '1' in i.split()[0]:
a,b=b,a
c+=1
else:
if '1' in i.split()[1]:
a.append(i.split()[2])
else:
b.append(i.split()[2])
if c%2==1:
s=''.join(list(s)[::-1])
print(''.join(a[::-1])+s+''.join(b))
`... | output | 1 | 47,706 | 18 | 95,413 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr... | instruction | 0 | 47,707 | 18 | 95,414 |
"Correct Solution:
```
s = input()
q = int(input())
Q = [list(map(str, input().split())) for _ in range(q)]
t = ''
for qi in Q:
if int(qi[0]) == 1:
s, t = t, s
else:
if int(qi[1]) == 1:
t += qi[2]
else:
s += qi[2]
t = t[::-1]
t += s
print(t)
``` | output | 1 | 47,707 | 18 | 95,415 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr... | instruction | 0 | 47,708 | 18 | 95,416 |
"Correct Solution:
```
S=input()
n=int(input())
t=0
L=""
R=""
for i in range(n):
Q=list(input().split())
if Q[0]=="1":
if t==0:
t=1
else:
t=0
else:
if int(Q[1])+t==2:
R=R+Q[2]
else:
L=Q[2]+L
ans=L+S+R
if t==0:
p... | output | 1 | 47,708 | 18 | 95,417 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr... | instruction | 0 | 47,709 | 18 | 95,418 |
"Correct Solution:
```
s=input()
q=int(input())
rev=1
sf=""
sb=s
for _ in range(0,q):
n=input().split()
if n[0]=="1":
rev*=-1
else:
if (n[1]=="1" and rev==1) or (n[1]=="2" and rev==-1):
sf+=n[2]
else:
sb+=n[2]
s=sf[::-1]+sb
if rev==1:
print(s)
else:
print(s[::-1])
``` | output | 1 | 47,709 | 18 | 95,419 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr... | instruction | 0 | 47,710 | 18 | 95,420 |
"Correct Solution:
```
from collections import deque
S=deque(input())
q=int(input())
rev=False
for _ in range(q):
inp=input()
if inp=="1":
rev= not rev
else:
t,f,c=inp.split()
if (rev and f=="1") or (not rev and f=="2"):
S.append(c)
else:
S.appendleft(c)
if rev:
S.r... | output | 1 | 47,710 | 18 | 95,421 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr... | instruction | 0 | 47,711 | 18 | 95,422 |
"Correct Solution:
```
s1=list(input())
q=int(input())
s0=[]
f=1
for i in range(q):
a=list(input().split())
#print(i,a,s)
if int(a[0])==1:
f=(f+1)%2
else:
if (f+int(a[1]))%2==0:
s0.append(a[2])
else:
s1.append(a[2])
if f==1:
print("".join(s0[::-1])+"".join(s1))
else:
print("".join(s1... | output | 1 | 47,711 | 18 | 95,423 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations... | instruction | 0 | 47,712 | 18 | 95,424 |
Yes | output | 1 | 47,712 | 18 | 95,425 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations... | instruction | 0 | 47,713 | 18 | 95,426 |
Yes | output | 1 | 47,713 | 18 | 95,427 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations... | instruction | 0 | 47,714 | 18 | 95,428 |
Yes | output | 1 | 47,714 | 18 | 95,429 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations... | instruction | 0 | 47,715 | 18 | 95,430 |
Yes | output | 1 | 47,715 | 18 | 95,431 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations... | instruction | 0 | 47,716 | 18 | 95,432 |
No | output | 1 | 47,716 | 18 | 95,433 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations... | instruction | 0 | 47,717 | 18 | 95,434 |
No | output | 1 | 47,717 | 18 | 95,435 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations... | instruction | 0 | 47,718 | 18 | 95,436 |
No | output | 1 | 47,718 | 18 | 95,437 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has a string S consisting of lowercase English letters.
Starting with this string, he will produce a new one in the procedure given as follows.
The procedure consists of Q operations... | instruction | 0 | 47,719 | 18 | 95,438 |
No | output | 1 | 47,719 | 18 | 95,439 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a string S. Let T be the concatenation of K copies of S. We can repeatedly perform the following operation: choose a character in T and replace it with a different character. Find the m... | instruction | 0 | 47,728 | 18 | 95,456 |
Yes | output | 1 | 47,728 | 18 | 95,457 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a string S. Let T be the concatenation of K copies of S. We can repeatedly perform the following operation: choose a character in T and replace it with a different character. Find the m... | instruction | 0 | 47,732 | 18 | 95,464 |
No | output | 1 | 47,732 | 18 | 95,465 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On some day in January 2018, Takaki is writing a document. The document has a column where the current date is written in `yyyy/mm/dd` format. For example, January 23, 2018 should be written as ... | instruction | 0 | 47,795 | 18 | 95,590 |
Yes | output | 1 | 47,795 | 18 | 95,591 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On some day in January 2018, Takaki is writing a document. The document has a column where the current date is written in `yyyy/mm/dd` format. For example, January 23, 2018 should be written as ... | instruction | 0 | 47,798 | 18 | 95,596 |
No | output | 1 | 47,798 | 18 | 95,597 |
Provide a correct Python 3 solution for this coding contest problem.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way.
You are given a string s consisting of upp... | instruction | 0 | 47,822 | 18 | 95,644 |
"Correct Solution:
```
import re
print('Yes' if re.search(r'C.*F', input()) else 'No')
``` | output | 1 | 47,822 | 18 | 95,645 |
Provide a correct Python 3 solution for this coding contest problem.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way.
You are given a string s consisting of upp... | instruction | 0 | 47,823 | 18 | 95,646 |
"Correct Solution:
```
s = input()
t = s.find("C")
if s[t:].find("F") > 0:
print("Yes")
else:
print("No")
``` | output | 1 | 47,823 | 18 | 95,647 |
Provide a correct Python 3 solution for this coding contest problem.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way.
You are given a string s consisting of upp... | instruction | 0 | 47,824 | 18 | 95,648 |
"Correct Solution:
```
s = input()
a = s.find("C")
b = s.rfind("F")
if a == -1 or b == -1:
print ("No")
else:
if a < b:
print ("Yes")
else:
print ("No")
``` | output | 1 | 47,824 | 18 | 95,649 |
Provide a correct Python 3 solution for this coding contest problem.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way.
You are given a string s consisting of upp... | instruction | 0 | 47,825 | 18 | 95,650 |
"Correct Solution:
```
S = input()
i1 = S.find('C')
i2 = S.rfind('F')
print('Yes' if i1!=-1 and i1<i2 else 'No')
``` | output | 1 | 47,825 | 18 | 95,651 |
Provide a correct Python 3 solution for this coding contest problem.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way.
You are given a string s consisting of upp... | instruction | 0 | 47,826 | 18 | 95,652 |
"Correct Solution:
```
s=input()
Cflag=0
for i in range(len(s)):
if s[i]=='C':
Cflag=1
if s[i]=='F' and Cflag==1:
print('Yes')
exit()
print('No')
``` | output | 1 | 47,826 | 18 | 95,653 |
Provide a correct Python 3 solution for this coding contest problem.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way.
You are given a string s consisting of upp... | instruction | 0 | 47,827 | 18 | 95,654 |
"Correct Solution:
```
s = input()
c = s.rfind('C')
f = s.rfind('F')
print('Yes') if c >= 0 and f >= 0 and (c - f) < 0 else print('No')
``` | output | 1 | 47,827 | 18 | 95,655 |
Provide a correct Python 3 solution for this coding contest problem.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way.
You are given a string s consisting of upp... | instruction | 0 | 47,828 | 18 | 95,656 |
"Correct Solution:
```
s = input()
C = s.find("C")
F = s.rfind("F")
if C != -1 and F != -1 and C < F:
print("Yes")
else:
print("No")
``` | output | 1 | 47,828 | 18 | 95,657 |
Provide a correct Python 3 solution for this coding contest problem.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way.
You are given a string s consisting of upp... | instruction | 0 | 47,829 | 18 | 95,658 |
"Correct Solution:
```
s = input()
if 'C' in s and 'F' in s and s.index('C') < s.rindex('F'):
print('Yes')
else:
print('No')
``` | output | 1 | 47,829 | 18 | 95,659 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t... | instruction | 0 | 47,830 | 18 | 95,660 |
Yes | output | 1 | 47,830 | 18 | 95,661 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t... | instruction | 0 | 47,831 | 18 | 95,662 |
Yes | output | 1 | 47,831 | 18 | 95,663 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t... | instruction | 0 | 47,832 | 18 | 95,664 |
Yes | output | 1 | 47,832 | 18 | 95,665 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t... | instruction | 0 | 47,833 | 18 | 95,666 |
Yes | output | 1 | 47,833 | 18 | 95,667 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t... | instruction | 0 | 47,834 | 18 | 95,668 |
No | output | 1 | 47,834 | 18 | 95,669 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t... | instruction | 0 | 47,835 | 18 | 95,670 |
No | output | 1 | 47,835 | 18 | 95,671 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters.
Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t... | instruction | 0 | 47,836 | 18 | 95,672 |
No | output | 1 | 47,836 | 18 | 95,673 |
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