problem_id
stringclasses
428 values
submission_id
stringlengths
10
10
status
stringclasses
2 values
code
stringlengths
5
816
p03592
s299002708
Accepted
n,m,K=map(int,input().split());print("YNeos"[all(k*m-K+l*n-k*l*2for k in range(n+1)for l in range(m+1))::2])
p03261
s128868483
Wrong Answer
n=int(input()) temp=str(input()) templ=list(temp) tempb=templ[len(templ)-1] w=[0]*n w[0]=temp for i in range(0,n-1): temp=str(input()) templ=list(temp) if temp in w or tempb!=templ[len(templ)-1]: print("No") break else: print("Yes")
p02783
s497307590
Accepted
h,a=map(int,input().split()) print(-(-h//a))
p02744
s637964486
Accepted
# -*- coding: utf-8 -*- import sys import copy def int2char(x): return chr(ord('a')+x) N = int(input()) dp = ['a'] for i in range(N-1): nxt = [] for s in dp: sets = set() for t in s: sets.add(t) for i in range(len(list(sets))+1): nxt.append(s+int2char(i)) ...
p02640
s878793867
Accepted
x, y =map(int, input().split()) if y % 2 == 1: print("No") else: y = y / 2 if y > x*2 or y < x : print("No") else: print("Yes")
p02768
s256829740
Accepted
MOD = 10**9+7 n,a,b = map(int,input().split()) Sn = pow(2,n,MOD) - 1 if a > b: a,b = b,a Xa, Xb = 1,1 Ya, Yb = 1,1 for i in range(b): if i < a: Xa = ( Xa * (n-i) ) % MOD Ya = ( Ya * pow((a-i),MOD-2, MOD)) % MOD Xb = ( Xb * (n-i) ) % MOD Yb = ( Yb * pow((b-i),MOD-2, MOD)) % MOD ans = S...
p03637
s866562452
Wrong Answer
N = int(input()) an = list(map(int, input().split())) four = 0 odd = 0 for a in an: if a % 2 == 1: odd += 1 elif a % 4 == 0: four += 1 print('Yes' if 2*odd-2 <= four or N//2 == four and -(-N//2) == odd else 'No')
p02675
s544476945
Wrong Answer
n = int(input()) a = n % 10 if (a == 3): print("bon") elif (a == 2 or 4 or 5 or 7 or 9 ) : print("hon") else: print("pon")
p02766
s285863515
Wrong Answer
n , k = map(int,input().split()) ans = [] ans.append(n%k) n = n//k while n >= k: ans.append(n%k) n = n//k ans.append(n) print(len(ans))
p02696
s181127546
Accepted
a,b,n = list(map(int,input().split())) if n<b: x=n print(int(a*x/b)-a*int(x/b)) else: x=b-1 print(int(a*x/b)-a*int(x/b))
p02760
s656371878
Accepted
A = sum([list(map(int,input().split()))for _ in range(3)],[]) N = int(input()) b = [int(input()) for _ in range(N)] f=sum(1<<i for i in range(9)if A[i]in b) print('Yes'if[v for v in[7,56,73,84,146,273,292,448]if f&v==v]else'No')
p03211
s739176755
Accepted
S = input() mini = 1000 for i in range(len(S)-2): X = int(S[i] + S[i+1] + S[i+2]) mini = min(abs(X-753), mini) print(mini)
p02768
s926479407
Accepted
N,A,B=map(int,input().split()) p=10**9+7 def f(n,x): a,b=1,1 for i in range(1,x+1): a=a*n%p b=b*i%p n-=1 return a*pow(b,p-2,p) print((pow(2,N,p)-1-f(N,A)-f(N,B))%p)
p03695
s911887262
Accepted
_ = input() a = [int(x) for x in input().split()] p = set() q = 0 for i in a: if i < 3200: p.add(i//400) else: q += 1 else: lenp = len(p) print(max(lenp, 1), lenp + q)
p02933
s738037448
Accepted
# https://atcoder.jp/contests/abc138/tasks/abc138_a a = int(input()) s = input() res = s if a >= 3200 else 'red' print(res)
p02972
s607731657
Wrong Answer
n = int(input()) a = list(map(int, input().split())) ans = [0]*n for i in range(n-1, -1, -1): count = 0 for j in range(i, n, i+1): count += ans[j] if count % 2 != a[i]: ans[i] = 1 if sum(ans) == 0: print(0) exit() print(sum(ans)) for i in range(n): if ans[i] != 0: print...
p02713
s935069204
Accepted
import math K = int(input()) ans = 0 for i in range(1, K+1): for j in range(1, K+1): x = math.gcd(i, j) for k in range(1, K+1): ans += math.gcd(x, k) print(ans)
p03377
s268541774
Wrong Answer
a, b, x = map(int, input().split()) if x >= a and x < a+b: print('Yes') else: print('No')
p02797
s195928151
Wrong Answer
n,k,s=map(int,input().split()) a=[s]*k+[10**10]*(n-k) print(*a)
p02899
s463406659
Wrong Answer
n = int(input()) a = list(map(int,input().split())) b = [0]*n for i in range(n): b[i] = a[a[i]-1] print(b)
p02729
s254919913
Wrong Answer
N, M = map(int, input().split()) # 偶偶 奇奇 if N != 0 and M != 0: ans = int(N * (N - 1) / 2) + int(M * (M - 1) / 2) elif N == 0: ans = M * (M - 1) elif M == 0: ans = N * (N - 1) print(int(ans))
p03250
s654625283
Wrong Answer
a,b,c = sorted(map(int,input().split())) d=str(b)+str(c) print(a+int(d))
p03695
s132007070
Accepted
from collections import Counter n=int(input()) a=list(map(int,input().split())) r=Counter([min(x//400,8) for x in a]) l=len(list(iter(r))) if r[8]==0: print(l,l) else: print(max(l-1,1),l-1+r[8])
p02583
s719444994
Accepted
from itertools import combinations n = int(input()) l = list(map(int, input().split())) combi = combinations(l, 3) ans = 0 for a, b, c in combi: if a != b and b != c and c != a: if a + b > c and b + c > a and c + a > b: ans += 1 print(ans)
p03680
s426958630
Accepted
n = int(input()) a_l=[] for i in range(n): a_l.append(int(input())) record = set() pos = 1 count = 0 while True: count += 1 pos = a_l[pos-1] if pos == 2: print(count) break elif pos in record: print(-1) break record.add(pos)
p03479
s690721280
Accepted
x, y = map(int, input().split()) ans = 0 while x <= y: x *= 2 ans += 1 print(ans)
p02639
s401199404
Wrong Answer
a = input().split() for i in range(0,5): if (i + 1) == int(a[i]): continue else: print(a[i])
p02835
s592822154
Accepted
L,M,N = map(int,input().split()) print("bust" if L+M+N >= 22 else "win")
p03555
s831488859
Wrong Answer
s1=input() s2=input() flag=0 x=s1[::-1] if x==s1: flag=1 if flag==0: print("NO") else: print("YES")
p03061
s159660639
Wrong Answer
from fractions import gcd n=int(input()) A=list(map(int,input().split())) DP=[[0,0] for _ in range(n)] DP[0][0]=A[0] DP[-1][1]=A[-1] for i in range(1,n-1): left,right=i,n-i-1 DP[left][0]=gcd(DP[left-1][0],A[i]) DP[right][1]=gcd(DP[right+1][1],A[i]) ans=max(DP[1][1],DP[-2][0]) for i in range(1,n-1): a...
p02972
s066956254
Accepted
n =int(input()) A = list(map(int,input().split())) B = [0]*n for i in range(n)[::-1]: tmp = 0 j = i+1 while j<=n: tmp += B[j-1] j += i+1 if tmp%2 != A[i]: B[i] = 1 print(sum(B)) print(*[i+1 for i in range(n) if B[i]])
p03371
s467070957
Wrong Answer
a,b,c,x,y = map(int,input().split()) ans = 0 if a + b >= c * 2: ans = c * 2 * min(x,y) if min(a,b) >= c * 2: ans += (max(x,y) - min(x,y)) * (c * 2) else: ans += min((max(x,y) - min(x,y)) * a,(max(x,y) - min(x,y)) * b) else: ans = a * x + b * y print(ans)
p02618
s946040532
Accepted
D = int(input()) C = list(map(int, input().split())) S = [list(map(int, input().split())) for _ in range(D)] E = [0] * 26 for i in range(D): ans = -1 max_v = -float("inf") for j in range(26): tmp = S[i][j] - (C[j] * (i-E[j])) if tmp > max_v: ans = j + 1 max_v = tmp ...
p02676
s380879188
Accepted
K = int(input()) S = input() len_S = len(S) if len_S <= K: print(S) else: print(S[:K] + '...')
p03380
s383814500
Accepted
n = int(input()) A = sorted(list(map(int,input().split()))) for i in range(n): if A[i]*2>A[-1]: ind = i break ind -= 1 a = A[ind] b = A[-1]-A[ind+1] if a>=b: print(A[-1],a) else: print(A[-1],A[ind+1])
p03471
s147634265
Accepted
n, t = map(int, input().split()) for x in range(n+1): for y in range(n+1 -x): z = n - x - y if z < 0: z = 0 if x*10000 + y*5000 + z*1000 == t: print(x, y , z) exit() print("-1 -1 -1")
p03284
s413704626
Wrong Answer
n,k=map(int,input().split()) if n%k==0: print(0) else: print(n//k-n%k)
p03435
s957676523
Accepted
c=[list(map(int,input().split())) for _ in range(3)] a_a=set() a_b=set() a_c=set() for i in range(3): a_a.add(c[i][0]-c[i][1]) a_b.add(c[i][1]-c[i][2]) a_c.add(c[i][2]-c[i][0]) if len(a_a)==1 and len(a_b)==1 and len(a_c)==1: print('Yes') else: print('No')
p03836
s012188755
Accepted
import sys input = lambda : sys.stdin.readline().rstrip() sys.setrecursionlimit(max(1000, 10**9)) write = lambda x: sys.stdout.write(x+"\n") sx,sy,tx,ty = map(int, input().split()) wx = tx-sx wy = ty-sy ans = "U"*wy + "R"*wx + "D"*wy + "L"*wx + ("L"*1 + "U"*(wy+1) + "R"*(wx+1) + "D"*1) + ("R"*1 + "D"*(wy+1) + "L"*(wx...
p03760
s072364035
Wrong Answer
o = input() e = input() if len(o) == len(e): for i in range(len(o)): print(o[i]+e[i],end='') else: for i in range(len(e)): print(o[i]+e[i],end='') print(e[-1])
p02598
s838534956
Wrong Answer
# -*- coding: utf-8 -*- import math n, k = map(int, input().split()) a = list(map(int, input().split())) a.sort() xlist = [] wa = sum(a) for i in a: xlist.append((k+n)*i/wa) xlist_int = [] for i in xlist: j = int(i) if j == 0: j = 1 xlist_int.append(j) amari = n+k-sum(xlist_int) xlist_hi = [xlist_int[i]/...
p02843
s709536335
Wrong Answer
x = int(input()) q, r = divmod(x, 100) if q < r//5: print(0) else: print(1)
p03377
s911002387
Accepted
A,B,X = map(int,input().split()) s = "YES" if A > X or A+B < X: s = "NO" print(s)
p03146
s960321666
Wrong Answer
def calc(n): if n % 2 == 0: return n // 2 else: return 3 * n + 1 def main(): s = int(input()) ans = [s] while True: tmp = calc(ans[-1]) ans.append(tmp) if ans.index(tmp) != len(ans)-1: print(len(ans)) break
p02659
s889446509
Wrong Answer
A,B = (float(x) for x in input().split()) ans = A * B print(int(ans))
p02547
s895197771
Accepted
n = int(input()) d = [list(map(int,input().split())) for i in range(n)] cnt = 0 for i in range(n): if d[i][0] == d[i][1]: cnt += 1 if cnt == 3: print('Yes') break else: cnt = 0 else: print('No')
p02756
s470157405
Accepted
S = input() Q = int(input()) T1 = 0 S_left = '' S_right = '' for _ in range(Q): a = list(map(str,input().split())) if a[0] == '1': T1 += 1 elif a[0] == '2': if ((a[1]=='1')and(T1%2==0)) or ((a[1]=='2')and(T1%2!=0)): S_left = a[2]+S_left else: S_right = S_right+a[2] S = S_left+S+S_right if ...
p02994
s632968618
Wrong Answer
n, l = map(int, input().split()) taste = [l+i for i in range(n)] ans = [abs(i) for i in taste] del ans[ans.index(min(ans))] print(sum(ans))
p02701
s634076289
Accepted
import math import collections import fractions import itertools def solve(): n = int(input()) s = [input() for i in range(n)] print(len(set(s))) return 0 if __name__ == '__main__': solve()
p02706
s410407833
Accepted
A,B = map(int,input().split()) s = list(map(int,input().split())) if sum(s) <= A: print(A-sum(s)) else: print("-1")
p02602
s629806998
Accepted
# -*- coding: utf-8 -*- N,K = map(int, input().split()) A = list(map(int, input().split())) for i in range(N-K): if A[i] < A[i+K]: print('Yes') else: print('No')
p03838
s429172093
Accepted
X, Y = map(int, input().split()) if 0 <= X < Y or X < Y <= 0: print(Y-X) elif 0 < Y < X or Y < X < 0: print(2+X-Y) elif X < 0 < Y or Y < 0 < X: print(1+abs(X+Y)) if X == 0 and Y < 0: print(abs(Y)+1) elif Y == 0 and X > 0: print(abs(X)+1)
p02675
s163425250
Accepted
N=input() if N[-1]=="3": print("bon") elif N[-1]=="0" or N[-1]=="1" or N[-1]=="6" or N[-1]=="8": print("pon") else: print("hon")
p03617
s242774760
Accepted
Q, H, S, D = map(int, input().split()) N = int(input()) S = min(min(Q * 2, H) * 2, S) D = min(S * 2, D) print(N//2*D + N%2*S)
p03799
s681615693
Wrong Answer
N, M= map(float, input().split()) if N > round(M/2): print(round(M/2)) else: c=N+(M-N*2)//4 print(c)
p03284
s738275677
Wrong Answer
n,k = map(int,input().split()) print(n%k)
p03241
s275336003
Accepted
N, M = map(int, input().split()) if M%N == 0: print(M//N) exit() A = [] for i in range (1, M//N+1): if M%i == 0: A.append(i) print(A[-1])
p03486
s787705287
Accepted
s = input() t = input() s = sorted(s) s = str(''.join(s)) t = sorted(t, reverse=True) t = str(''.join(t)) if s < t: print("Yes") else: print("No")
p03773
s436389963
Accepted
A, B = map(int, input().split()) print(A + B if A + B < 24 else (A + B) - 24)
p03105
s426865624
Accepted
a,b,c = map(int,input().split()) if a*c<b: print(c) else: print(int(b/a))
p03013
s070448737
Accepted
n, m = map(int, input().split()) stair = [1]*(n+1) for i in range(m): a = int(input()) stair[a] = 0 for i in range(2, n+1): stair[i] *= (stair[i-1] + stair[i-2]) print(stair[n]%(10**9+7))
p03625
s586122120
Accepted
from collections import Counter N = int(input()) A = list(map(int, input().split())) ca = Counter(A) ca = sorted(ca.items(), key=lambda x:-x[0]) cnt = 0 m = [] for k, v in ca: if 3 >= v >= 2: cnt += 1 m += [k] elif v >= 4: cnt += 2 m += [k, k] if cnt >= 2: break if len(m) <= 1: print(0) e...
p02880
s760859790
Wrong Answer
a=int(input()) f=0 for i in range(1,10): if a==0: print("No") break elif a%i==0: f=1 if f==1: print("Yes") else: print("No")
p02675
s622678616
Accepted
N = input() ans=int(N[-1]) if(ans==3): print("bon") elif(ans==0 or ans==1 or ans==6 or ans==8): print("pon") else: print("hon")
p03281
s758071291
Accepted
def make_divisors(n): divisors = [] for i in range(1, int(n**0.5)+1): if n % i == 0: divisors.append(i) if i != n // i: divisors.append(n//i) return divisors n = int(input()) ans = 0 for i in range(1,n+1): if i % 2 == 1 and len(make_divisors(i)) == 8: a...
p03011
s923270797
Accepted
a,b,c = map(int,input().split()) print(min(a+b,a+c,b+a,b+c,c+a,c+b))
p03042
s262451943
Accepted
s = input() if 1 <= int(s[0:2]) <= 12: if 1 <= int(s[2:4]) <= 12: print("AMBIGUOUS") else: print("MMYY") else: if 1 <= int(s[2:4]) <= 12: print("YYMM") else: print("NA")
p03309
s832698639
Wrong Answer
n = int(input()) A = list(map(int, input().split())) # print(n) # print(A) B = [0]*n for i in range(n): B[i] = A[i] - (i+1) # print('B',B) b = sum(B) bmin = sum(B) # print('sumB',b) b //= n # print('b',b) # print('bmin',bmin) ans1 = 0 ans2 = 0 ans3 = 0 for i in range(n): ans1 += abs( B[i] - b ) ans2 += ab...
p02792
s947441120
Wrong Answer
n = int(input()) N = n + 1 totalcount = 0 for i in range(1,N): a = str(i) a_first = a[0] a_end = a[len(str(i)) - 1] for j in range(1,N): b = str(j) b_first = b[0] b_end = b[len(str(j)) - 1] if a_first == b_end and a_end == b_first: totalcount += 1 print(a,j) print(totalcount)
p03457
s875994379
Accepted
n=int(input()) now=[0,0,0]#t,x,y f=True for i in range(n): t,x,y=map(int,input().split()) k=abs(x-now[1])+abs(y-now[2]) l=abs(t-now[0]) if not(k<=l and abs(k-l)%2==0): f=False now=[t,x,y] print("Yes" if f else "No")
p03309
s811780939
Wrong Answer
import statistics N = int(input()) nums = list(map(int, input().split())) nums = [num - (i + 1) for i, num in enumerate(nums)] # print(nums) def compute_sour(num, b): return abs(num - b) middle_num = statistics.median(nums) # print(middle_num) ans = 0 for num in nums: ans += compute_sour(num, middle_num...
p02688
s907845819
Accepted
n, k = map(int, input().split()) m = [0]*n for i in range(k): d = int(input()) a = list(map(int, input().split())) for j in range(d): m[a[j]-1] += 1 print(m.count(0))
p02711
s561384316
Wrong Answer
s=str(input()) if s[0] != 7 and s[1] != 7 and s[2] != 7: print("No") else: print("Yes")
p02755
s814153177
Wrong Answer
A, B = map(int, input().split()) result = True for a in range(1, 1001): if int(a * 0.08) == A and int(a * 0.1) == B: print(a) break result = False exit() if result: print(-1)
p03282
s779635044
Accepted
s = input() k = int(input()) for i, x in enumerate(s): if x == '1': if k == i + 1: print(1) exit() else: print(x) exit()
p02753
s238959880
Wrong Answer
abc=str(input()) a=abc[0] b=abc[1] c=abc[2] if a == b and b==c and c==a: print("Yes") else: print("No")
p02970
s453291479
Accepted
import math N, D = map(int, input().split()) ans = math.ceil(N / (D * 2 + 1)) print(ans)
p03543
s811677506
Accepted
N=str(input()) if (N[0]==N[1] and N[1]==N[2]) or (N[1]==N[2] and N[2]==N[3]): print("Yes") else: print("No")
p03250
s177630184
Accepted
a,b,c = map(int,input().split()) n1,n2,n3 = sorted([a,b,c],reverse= True) print(10*n1 + n2 + n3)
p03324
s729142327
Accepted
D, N = map(int,input().split()) if D == 0 and N != 100: print(N) if D == 0 and N == 100: print(101) if D == 1 and N != 100: print(N*100) if D == 1 and N == 100: print(10100) if D == 2 and N != 100: print(N*10000) if D == 2 and N == 100: print(1010000)
p03351
s043883492
Accepted
a,b,c,d=map(int,input().split()) if (abs(a-b)<=d and abs(b-c)<=d) or abs(a-c)<=d: print('Yes') else: print('No')
p03695
s703453211
Wrong Answer
n = int(input()) a = list(map(int,input().split())) cnt = [0]*8 free = 0 for i in range(n): if a[i] <= 3199: cnt[a[i]//400] += 1 else: free += 1 print(min(1,8-cnt.count(0)),8-cnt.count(0)+free)
p02780
s862512228
Accepted
import itertools n, k = (int(i) for i in input().split()) P = [int(i) for i in input().split()] probs = list(itertools.accumulate([(1+p)/2 for p in P])) probs.insert(0,0) ans = 0 for i in range(n-k+1): ans = max(ans, -probs[i]+probs[i+k]) print(ans)
p03150
s921409266
Wrong Answer
S=input() T="keyence" for i in range(len(S)-1): for j in range(i,len(S)-1): if S[:i]+S[j:]==T: print("YES") exit() print("No")
p02612
s042226217
Accepted
n=int(input()) ans=n%1000 if(ans==0): print(ans) else: print(1000-ans)
p02873
s796374271
Wrong Answer
S = input() a = [0]*(len(S)+1) for i in range(len(S)): if S[i] is '<': a[i+1] = max(a[i+1], a[i]+1) print(a) for i in range(1, len(S)): if S[-i] is '>': a[-(i+1)] = max(a[-(i+1)], a[-i]+1) print(a) print(sum(a))
p03944
s286310292
Accepted
import numpy as np W, H, N = map(int, input().split()) l = np.zeros((H,W)) for i in range(N): x, y, a = map(int, input().split()) if a==1: l[:,:x] = 1 elif a==2: l[:,x:] = 1 elif a==3: l[:y,:] = 1 elif a==4: l[y:,:] = 1 print(H*W-int(l.sum().sum()))
p02624
s079548418
Accepted
n = int(input()) ans = 0 for i in range(1, n+1): m = n//i ans += (2*i*m + (m-1)*i*m) // 2 print(ans)
p04005
s977030454
Accepted
A,B,C = map(int,input().split()) l = [A*B,B*C,A*C] l[0] *= abs(C//2-(C-C//2)) l[1] *= abs(A//2-(A-A//2)) l[2] *= abs(B//2-(B-B//2)) print(min(l))
p02578
s990969859
Accepted
n = int(input()) a = list(map(int, input().split())) count = 0 i = 1 while i < len(a): if a[i] < a[i-1]: count += a[i-1] - a[i] a[i] = a[i-1] i += 1 print(count)
p02832
s107796911
Wrong Answer
N=int(input()) a=list(map(int,input().split())) i=0 count=0 if 1 in a: while len(a)>0: if i+1 in a[i::]: i+=1 else: break #print(i) print(N-i) else: print(-1)
p02836
s985082185
Wrong Answer
s=input() count=0 if s != s[::-1]: count += 1 print(count//2)
p03659
s700752714
Accepted
n = int(input()) *a, = map(int, input().split()) x = [0]*(n+1) for i in range(n): x[i+1] = x[i] + a[i] y = [0]*(n+1) for i in reversed(range(n)): y[i] = y[i+1] + a[i] ans = float("inf") for i in range(1, n): ans = min(ans, abs(x[i]-y[i])) print(ans)
p02681
s185418304
Wrong Answer
from copy import copy, deepcopy from collections import Counter from math import sqrt, floor, factorial from itertools import permutations, combinations, combinations_with_replacement from operator import mul from functools import reduce import bisect MOD = 10**9 + 7 INF = float('inf') S = input() T = input() print(S...
p03493
s984177906
Accepted
s = (int)(input()) s1 = s//100 s2 = (s%100)//10 s3 = (s%10) print((str)(s1+s2+s3))
p02548
s454319632
Wrong Answer
N = int(input()) NR = int(N**0.5) count = 0 if int(N/2)-N/2 == 0: for i in range(1,int(N/2)): if int(N/i)-N/i == 0: count += int(N-1/i)-1 else: count += int(N-1/i) else: for i in range(1,int(N/2)+1): if int(N/i)-N/i == 0: count += int(N-1/i)-1 ...
p03745
s269511879
Accepted
N=int(input()) A=list(map(int,input().split())) ans=1 vec=0 for i in range(N-1): now=A[i+1]-A[i] if vec*now<0: ans+=1 vec=0 elif vec==0: vec=now print(ans)
p02621
s420121679
Accepted
a = int(input()) print (a + a**2 + a**3)
p02911
s901590129
Accepted
import numpy as np n, k, q = map(int, input().split()) a = [] for _ in range(q): a.append(int(input())) nn = np.zeros(n) kk = np.zeros(n) + k qq = np.zeros(n) + q for i in a: nn[i-1] += 1 _list = (kk-qq+nn).tolist() for ans in _list: if ans > 0: print('Yes') else: print('No')
p02578
s773963900
Accepted
n = int(input()) a = list(map(int,input().split())) ans = 0 for i in range(1,n): dif = a[i] - a[i-1] if dif<0: a[i] -= dif ans -= dif print(ans)