problem_id
stringclasses
428 values
submission_id
stringlengths
10
10
status
stringclasses
2 values
code
stringlengths
5
816
p03017
s929246264
Wrong Answer
n,a,b,c,d=map(int,input().split()) s=input() if c<d: print("No" if "##" in s[a-1:d] else "Yes") else: print("Yes" if "##" not in s[a-1:c] and "..." in s[a-1:c] else "No")
p03720
s288742713
Accepted
n,m=map(int,input().split()) l=[0]*n for i in range(m): a,b=map(int,input().split()) l[a-1]+=1 l[b-1]+=1 for i in range(n): print(l[i])
p02600
s400061239
Accepted
x = int(input()) ans = 8 max = 599 min = 400 while True: if min <= x <= max: print(ans) break else: max += 200 min += 200 ans -= 1
p02881
s611507171
Wrong Answer
n = int(input()) ans = 0 for i in range(10**6): if i*i < n: continue elif i*i >= n: break for j in range(i): if (i-j) * (i+j) == n: break if (i-j) * (i+j) != n: for j in range(i): if (i-1-j) * (i+j) == n: ans = 2*i-3 break else: ans = 2*i-2 if ans == 0: ans = n-1 print(ans)
p02777
s006051681
Accepted
a=list(map(str,input().split())) b=list(map(int,input().split())) b[a.index(input())]-=1 print(*b)
p02983
s957531103
Accepted
L,R = map(int,input().split()) if R - L >= 2019: ans = 0 else: ans = 2018**2 for i in range(L,R+1): for j in range(i+1,R+1): ans = min(ans,(i*j)%2019) print(ans)
p02639
s959004398
Accepted
N = list(map(int, input().split())) print(N.index(0)+1)
p03043
s553459840
Accepted
n, k = map(int, input().split()) p = 0 for i in range(n): s = i + 1 tempp = 1 while s < k: s *= 2 tempp /= 2 p += tempp / n print(p)
p03360
s391767768
Accepted
l=list(map(int,input().split())) k=int(input()) d=max(l) e=d*(2**k) l.remove(max(l)) l.append(e) print(sum(l))
p03289
s141874330
Accepted
S = input() ans_1 = S[0]=="A" ans_2 = S[2:-1].count("C")==1 S = S[1:].replace("C", "") ans_3 = S.islower() print("AC") if ans_1 & ans_2 & ans_3 else print("WA")
p03821
s240501837
Accepted
N = int(input()) a, b = [], [] for i in range(N): c, d = map(int, input().split()) a.append(c) b.append(d) total = 0 for i, j in zip(a[::-1], b[::-1]): k = i + total if k % j != 0: total += int((k / j) + 1)*j - k print(total)
p02765
s817645700
Wrong Answer
a, b = input().split() if int(a) < 9: ans = int(b) - 100 * (10 - int(a)) print(ans) else: print(b)
p03075
s620281208
Accepted
antennas = [int(input()) for _ in range(5)] distance = int(input()) antennas.sort() antennas_distance = abs(antennas[len(antennas)-1] - antennas[0]) print(':(' if antennas_distance > distance else 'Yay!')
p03331
s720146639
Wrong Answer
def sumDigits(i): s = 0 while i > 0: s += (i % 10) i = int(i / 10) return s N = int(input()) m = 9 * 6 for i in range(1, N): k = N - i if k > 1: m = min(m, sumDigits(i) + sumDigits(k)) print(m)
p03239
s580951729
Wrong Answer
a,b=input().split() a=int(a) b=int(b) c=[input().split() for i in range(a)] d=1001 for i in range(a-1): if int(c[i][1])<=b: if d>int(c[i][0]): d=int(c[i][0]) print(d)
p02792
s073940152
Wrong Answer
N = int(input()) ans = 0 C = [ [0 for i in range(10)] for i in range(10)] for i in range(1,N): first_num = int(str(i)[0]) last_num = int(str(i)[-1]) C[first_num][last_num] += 1 for first_num in range(10): for last_num in range(10): ans += C[first_num][last_num] * C[last_num][first_num] print(ans)
p02660
s784815544
Accepted
import collections def pf(N): res = [] x = N y = 2 while y*y <= x: while x % y == 0: res.append(y) x //= y y += 1 if x > 1: res.append(x) return res cnt = collections.Counter(pf(int(input()))) ans = 0 for x in cnt: tmp = 1 while cnt[x] > 0: cnt[x] -= tmp if cnt[x] < 0: break tmp += 1 ans += 1 print(ans)
p02983
s746319932
Accepted
import sys import itertools as it L, R = map(int, input().split()) if R-L > 2017: print(0); sys.exit() DL = L % 2019 DR = R % 2019 if DL > DR: print(0); sys.exit() print(min(x*y%2019 for x,y in it.combinations(range(DL, DR+1), 2)))
p02658
s469911796
Wrong Answer
a = int(input()) b = list(map(int, input().split())) c = 1 for i in range(a): c *= b[i] if c > 10**18: print(-1) break else: print(c)
p03705
s762978939
Accepted
n, a, b = map(int, input().split()) if b < a: print(0) elif n == 1: if a == b: print(1) else: print(0) else: small = a * (n - 2) big = b * (n - 2) num = big - small + 1 print(num)
p03339
s398873259
Wrong Answer
N = int(input()) S = list(input()) ans = [0]*N ans[0] = S.count("E") for i in range(1, N): ans[i] += (ans[i-1] + int(S[i-1]=="W") - int(S[i]=="E")) print(min(ans))
p02786
s704331373
Accepted
import sys sys.setrecursionlimit(10**6) h = int(input()) def f(x): if x == 1: return 1 else: return 2 * f(x//2) + 1 print(f(h))
p02829
s577670816
Accepted
a = int(input()) b = int(input()) if a in (1,2) and b in (1,2): print(3) elif a in (2,3) and b in (2,3): print(1) else: print(2)
p02554
s204043451
Accepted
N = int(input()) MOD = 10**9+7 ans = 10**N-(9**N+9**N-8**N) print(ans%MOD)
p02677
s476121669
Wrong Answer
import math A, B, H, M = map(int, input().split()) doubledt = 60*H - 11*M t = 0 if(doubledt > 360): t = math.pi * (doubledt-360)/360 else: t = math.pi * doubledt/360 tlen = math.sqrt(A*A + B*B - 2*A*B*math.cos(t)) print(tlen)
p03243
s640108519
Accepted
N=int(input()) x=1000;p=-1 S=[111,222,333,444,555,666,777,888,999] for i in range(len(S)): if S[i]-N>=0: if x>(S[i]-N): p=i x=S[i]-N print(S[p])
p03455
s818310132
Accepted
a,b=map(int,input().split()) num=a*b if num%2==0: print('Even') else: print('Odd')
p03633
s620448228
Accepted
from fractions import gcd n = int(input()) t = list(int(input()) for _ in range(n)) ans = t[0] for i in range(1, n): ans = ans*t[i] // gcd(ans, t[i]) print(ans)
p02916
s334766809
Wrong Answer
N = int(input()) a = [int(x) for x in input().split()] b = [int(y) for y in input().split()] c = [int(z) for z in input().split()] ans = 0 pre = 0 for i in range(N): ans += b[a[i]-1] if a[i] == pre + 1: ans += c[pre-1] pre = a[i] print(ans)
p02623
s510837979
Wrong Answer
n,m,k=map(int,input().split()) a=list(map(int,input().split())) b=list(map(int,input().split())) r=0 t=0 m_i=0 n_i=0 m+=-1 n+=-1 for i in range(m+n+2): #print(n_i) a_i=a[min(n_i,n)] b_i=b[min(m_i,m)] if ((a_i>b_i and m_i <=m) or (n_i > n)): m_i+=1 t+=b_i #m_i=min(m_i,m) else: n_i+=1 t+=a_i #n_i=min(n_i,n) if t>k: break r+=1 print(r)
p02618
s027859299
Accepted
# -*- coding: utf-8 -*- D = int(input()) C = list(map(int, input().split())) L = [0 for _ in range(26)] for _ in range(1,D+1): S = list(map(int, input().split())) contest_index = -1 contest_manzoku = -10**9 for i in range(26): i_manzoku = S[i]+C[i]+L[i] if i_manzoku > contest_manzoku: contest_index = i contest_manzoku = i_manzoku print(contest_index+1) for i in range(26): if i==contest_index: L[i] = 0 else: L[i] += C[i]
p03327
s272289223
Accepted
n = int(input()) if n < 1000: print('ABC') else: print('ABD')
p03773
s938410856
Accepted
a,b=map(int,input().split()) print((a+b)%24)
p03456
s168782913
Accepted
import math a,b = input().split() c = int(a + b) if math.sqrt(c).is_integer(): print("Yes") else: print("No")
p02570
s974488946
Accepted
if __name__ == '__main__': D, T, S = map(int, input().split()) if D / T > S: print('No') else: print('Yes')
p02754
s613862344
Wrong Answer
n,a,b = map(int,input().split()) if(a==0): print(0) exit() c = n//(a+b) d = n%(a+b) if(c==0): print() elif(d==0): print(a*c) elif(d%a==0): print(a*c+(d%a)+a) else: print(a*c+(d%a))
p03673
s742674096
Accepted
n = int(input()) a = input().split() reb_a = a[::-1] if n % 2 == 0: res = reb_a[::2]+a[::2] else: res = reb_a[::2]+a[1::2] print(' '.join(res))
p03495
s991587131
Wrong Answer
n, k = map(int, input().split()) al = list(map(int, input().split())) cnt = [0]*9 for i in range(1,10): cnt[i-1] = al.count(i) cnt.sort(reverse=True) print(sum(cnt[k:]))
p02854
s065302863
Accepted
n = int(input()) a = list(map(int,input().split())) barlen = 0 for x in a: barlen += x halflen = barlen/2 curbarlen = 0 minhalfdis = barlen for i in range(n): curbarlen += a[i] minhalfdis = min(minhalfdis,abs(halflen-curbarlen)) print(int(minhalfdis*2))
p02771
s955982815
Wrong Answer
a,b,c=map(int,input().split()) if a==b!=c or a!=b==c or a!=c==b: print('Yes') else: print('No')
p03998
s041069018
Accepted
s = {'a': input(), 'b': input(), 'c': input()} now = 'a' while s[now] != '': next = s[now][0] s[now] = s[now][1:] now = next print(now.upper())
p03797
s191113678
Accepted
n, m = map(int, input().split()) if n < m // 2: res = n + (m - n * 2) // 4 print(res) else: res = m // 2 print(res)
p02597
s778216357
Accepted
n=int(input()) inp=input() num=[0]*(n+1) k=0 for i in range(n): if inp[i]=='R':k+=1 num[i+1]=k R=num[-1] W=n-R ans=float('inf') for i in range(n+1): rl=num[i] wl=i-rl rr=R-rl wr=W-wl swap=min(wl,rr) change=max(wl,rr)-swap ans=min(ans,swap+change) print(ans)
p02660
s247183132
Wrong Answer
from math import floor,sqrt N=int(input()) p = [1]*floor(sqrt(10**6)) p[0]=p[1]=0 prime=[] for i in range(2,len(p)): if p[i]==0: continue prime.append(i) for j in range(i*2,len(p),i): p[j]=0 ans=0 for x in prime: cnt=0 while N%x==0: cnt+=1 N/=x ans+=floor((-1+sqrt(1+8*cnt))/2) print(ans+int(N!=0))
p03062
s378663150
Accepted
n = int(input()) lis = list(map(int, input().split())) minus = 0 for i in range(n): if lis[i] < 0: minus += 1 lis[i] = lis[i]*-1 if 0 in lis or minus % 2 == 0: print(sum(lis)) else: print(sum(lis) - 2*min(lis))
p02731
s224919412
Wrong Answer
L=int(input()) ans=0 tmp=0 d=3 for i in range(int(L*d/1.3)): for j in range(int((L*d-i)/1.3)): tmp=(i/d)*(j/d)*(L-(i/d)-(j/d)) ans=max(ans,tmp,0) print(ans)
p03360
s807033978
Wrong Answer
a,b,c=map(int,input().split()) k=int(input()) print((max([a,b,c]))*(2*k-1)+sum([a,b,c]))
p03799
s245916857
Accepted
S,C = map(int,input().split()) ans = min(S,C//2) C -= ans*2 ans += C//4 print(ans)
p03252
s972646657
Accepted
s=list(input()) t=list(input()) import sys dic_s={} dic_t={} for i in range(len(s)): a=dic_s.get(s[i],t[i]) b=dic_t.get(t[i],s[i]) if a!=t[i] or b!=s[i]: print("No") sys.exit() dic_s[s[i]]=t[i] dic_t[t[i]]=s[i] print("Yes")
p02744
s783840228
Wrong Answer
a = int(input()) arr = [] s = "abcdefghijklmnopqrstuvwxyz" if a == 1: print("a") else: first = s[0] arr.append(first*(a-1)) for i in range(a-1): arr.append(first+s[i+1]) for i in range(len(arr)): print(arr[i])
p03252
s879116726
Accepted
s = input() t = input() ds = {} dt = {} for i in range(len(s)): if s[i] in ds: if ds[s[i]] == t[i]: pass else: print('No') exit() else: ds[s[i]] = t[i] if t[i] in dt: if dt[t[i]] == s[i]: pass else: print('No') exit() else: dt[t[i]] = s[i] print('Yes')
p03592
s221572779
Wrong Answer
import sys n,m,k=map(int,input().split()) for i in range(n): for j in range(m): if i*j+(n-i)*(m-j)==k: print('Yes') sys.exit() print('No')
p03351
s257450908
Accepted
a,b,c,d = map(int,input().split()) if abs (a - c) <= d or abs (a - b) <= d and abs (b - c) <= d: print('Yes') else: print(' No')
p03797
s310599673
Accepted
n, m = map(int, input().split()) ans = 0 if n < m: if 2*n <= m: m = m -2*n ans += n ans += m//4 else: ans += m//2 print(ans)
p02576
s884096558
Accepted
import math a, b, c = map(int,input().split()) d = math.ceil(a / b) print(d * c)
p02973
s753042763
Wrong Answer
from bisect import bisect_right,insort_right N = int(input()) A = [int(input()) for _ in range(N)] G = [] for i in range(N): a = A[i] ind = bisect_right(G,a) if ind==0: insort_right(G,a) else: if G[ind-1]<a: G[ind-1] = a else: insort_right(G,a) print(len(G))
p03251
s050030467
Accepted
N, M,X,Y=[int(i) for i in input().split()] x = [int(i) for i in input().split()] y = [int(i) for i in input().split()] mx = max(x) my = min(y) ok = False for i in range(X+1, Y+1): if mx<i and i<=my: ok =True if ok: print("No War") else: print("War")
p02705
s294708651
Wrong Answer
import math r = int(input()) print(math.pi * r)
p02705
s787768123
Accepted
r = int(input()) print(6.283*r)
p02723
s526066896
Accepted
s = input() if s[2] == s[3] and s[4] == s[5]: print("Yes") else: print("No")
p02623
s237837643
Accepted
N, M, K = map(int, input().split()) A = list(map(int, input().split())) B = list(map(int, input().split())) a=[0] b=[0] for i in range(N): a.append(a[i] + A[i]) for i in range(M): b.append(b[i] + B[i]) ans, j = 0, M for i in range(N + 1): if a[i] > K: break while b[j] > K - a[i]: j -= 1 ans = max(ans, i + j) print(ans)
p03013
s160082180
Accepted
import numpy as np n, m = map(int, input().split()) stairs = set([int(input()) for i in range(m)]) ans = [1] * (n+1) mod = 10**9 + 7 if 1 in stairs: ans[1] -= 1 for i in range(2, n+1): if i in stairs: ans[i] = 0 else: ans[i] = ans[i-1] + ans[i-2] print(ans[-1]%mod)
p03795
s077971576
Wrong Answer
n=int(input()) print(800*n-(n//3)*40)
p02556
s397228686
Wrong Answer
import random N = int(input()) lismoto = "0"*N*2 lis = list(lismoto) for i in range(0,len(lis),2): lis[i],lis[i+1] = map(int,input().split()) li = [lis[idx:idx + 2] for idx in range(0,len(lis), 2)] ma = 0 for i in range(10**5): a = random.randint(0,N-1) b = random.randint(0,N-1) karima = abs(li[a][0]-li[b][0]) + abs(li[a][1] - li[b][1]) if karima > ma: ma = karima print(ma)
p02792
s126133175
Accepted
def main(): N = int(input()) d = dict() for i in range(1, N+1): u = int(str(i)[0]) v = int(str(i)[-1]) d[(u, v)] = d.get((u, v), 0) + 1 ans = 0 for u, v in d: if (v, u) in d: ans += d[(u, v)] * d[(v, u)] return ans if __name__ == '__main__': print(main())
p02642
s249272032
Wrong Answer
n=int(input()) a=list(map(int,input().split())) a.sort() ok=[0]*(a[-1]+1) for i in range(n): ok[a[i]]+=1 for i in range(n): if ok[a[i]]>1: ok[a[i]]=0 elif ok[a[i]]: for j in range(2,a[-1]//a[i]+1): ok[a[i]*j]=0 print(sum(ok))
p02761
s021194190
Accepted
import sys n, m = map(int, input().split()) N = [None]*n for _ in range(m): s, c = map(int, input().split()) if s-1 == c == 0 and n != 1: print(-1) sys.exit(0) if N[s-1] == None or N[s-1] == c: N[s-1] = c else: print(-1) sys.exit(0) if N[0] == None and n > 1: N[0] = 1 for i in range(n): if N[i] == None: N[i] = 0 print(N[i], end="") print()
p03145
s410525203
Wrong Answer
x, y, z = map(int, input().split()) print(x * y / 2)
p03042
s381986164
Accepted
S=input() Sf=int(S[:2]) Sb=int(S[2:]) if 1<=Sf<=12: if 1<=Sb<=12: print('AMBIGUOUS') else: print('MMYY') else: if 1<=Sb<=12: print('YYMM') else: print('NA')
p02935
s878329914
Accepted
n=int(input()) v = list(map(int,input().split())) v.sort() for i in range(n-1): x = (v[i] + v[i+1])/2 v[i+1] = x print(v[n-1])
p02778
s891236147
Accepted
S=input() s="" for i in range(len(S)): s="".join((s,"x")) print(s)
p03607
s866881484
Accepted
from collections import Counter n=int(input()) L=[int(input()) for i in range(n)] L1=Counter(L) ans=0 for i in L1: if L1[i]%2!=0: ans+=1 print(ans)
p02597
s476142809
Accepted
n = int(input()) c = [i for i in input()] cnt = 0 for num, i in enumerate(sorted(c)): if c[num] != i: cnt += 1 print(cnt // 2)
p03075
s091073535
Wrong Answer
a_list = [] for i in range(5): a_list.append(int(input())) k = int(input()) frag = True for i in range(1,5): if a_list[i] - a_list[i-1] > k: frag = False if frag == True: print("Yay!") else: print(":(")
p02847
s945554467
Accepted
s = input() if s == "SUN": print(7) elif s == "MON": print(6) elif s == "TUE": print(5) elif s == "WED": print(4) elif s == "THU": print(3) elif s == "FRI": print(2) else: print(1)
p02661
s461550619
Accepted
N = int(input()) List = [] A = [] B = [] for i in range(N): a,b = map(int,input().split()) List.append([a,b]) A.append(a) B.append(b) if N%2 == 1: A.sort() B.sort() ans = B[N//2] - A[N//2] + 1 print(int(ans)) else: A.sort() B.sort() c = B[N//2] - A[N//2] + 1 d = B[N//2-1] - A[N//2-1] + 1 print(c+d-1)
p03457
s369079315
Accepted
N=int(input()) count=0 for i in range(N): T,X,Y=map(int,input().split()) if T%2==(X+Y)%2 and T>=(X+Y): count+=1 if count==N: print("Yes") else: print("No")
p02861
s294169601
Accepted
from math import sqrt N = int(input()) X = [] Y = [] for i in range(N): x, y = map(int, input().split()) X.append(x) Y.append(y) ans = 0 for i in range(0, N-1): for j in range(i+1, N): ans += sqrt((X[i] - X[j]) ** 2 + (Y[i] - Y[j]) ** 2) print(ans * 2.0 / N)
p03042
s712129192
Accepted
S = input() f = int(S[:2]) b = int(S[2:]) if (not 0 < f <= 12) and 0 < b <= 12: print('YYMM') elif (not 0 < b <= 12) and 0 < f <= 12: print('MMYY') elif 0 < f <= 12 and 0 < b <= 12: print('AMBIGUOUS') else: print('NA')
p03137
s753424786
Accepted
from operator import sub N, M = map(int, input().split()) X = sorted(map(int, input().split())) print(sum(sorted(map(sub, X[1:], X), reverse=True)[N-1:]))
p03767
s792996570
Accepted
N=int(input()) a=list(map(int,input().split())) a.sort() sum = 0 for i in range(N): sum += a[N+2*i] print(sum)
p03799
s828310341
Accepted
S,C = map(int, input().split()) if S*2 < C: #use all peace #1. use all S, and create Scc scc_num=S C -= S*2 #2. c->s, and create Scc scc_num += int(C/4) else: #Scc is bound by c scc_num=int(C/2) print(scc_num)
p02993
s743619368
Accepted
a,b,c,d = input() print("Bad" if a==b or b==c or c==d else "Good")
p02823
s116035701
Accepted
N, A, B = map(int, input().split()) if (B-A)%2 ==0: ans = (B-A)//2 else: tmp = min(N-B, A-1) ans = tmp + 1 + (B-A-1)//2 print(ans)
p03274
s651953268
Accepted
n,k=map(int,input().split()) x=[int(i) for i in input().split()] ans=10**9 for i in range(n-k+1): temp=0 temp+=(min(abs(x[i]),abs(x[i+k-1]))+abs(x[i]-x[i+k-1])) ans=min(ans,temp) print(ans)
p02833
s706059093
Accepted
n=int(input()) if n%2==0: x=0 for i in range(1,100): x+=(n//(5**i))//2 print(x) else: print(0)
p03632
s950808339
Accepted
a,b,c,d = map(int, input().split()) x = min(b,d)-max(a,c) if x < 0: print(0) else: print(x)
p02607
s527980604
Wrong Answer
n = int(input()) a = list(map(int, input().split())) ans = 0 for i in range(0,n,2): if a[i] % 2 == 0: ans += 1 print(ans)
p02953
s886135347
Accepted
N = int(input()) H = list(map(int, input().split())) if N == 1: print("Yes") exit() for i in range(N - 1): if H[i] < H[i + 1]: H[i + 1] -= 1 pass elif H[i] > H[i + 1]: print("No") exit() print("Yes")
p03478
s441044792
Accepted
N, A, B = map(int, input().split()) ans = 0 for x in range(1, N + 1): SUM = 0 num = x while x > 0: SUM += (x % 10) x //= 10 if A <= SUM <= B: ans += num print(ans)
p02699
s167779272
Accepted
def main(): S, W = list(map(int, input().split())) print("unsafe" if S <= W else "safe") pass if __name__ == '__main__': main()
p02583
s472996594
Wrong Answer
n = int(input()) l = list(map(int,input().split())) if n <= 2: print(0) exit() cnt=0 l.sort() for i in range(n): for j in range(i,n): for k in range(j,n): if (l[i]!=l[k]!=l[j]) and (l[i]+l[j]>l[k]): cnt += 1 print(cnt)
p02659
s963455656
Wrong Answer
a, b = map(float, input().split()) print(int(a * b))
p03434
s038365250
Accepted
n = int(input()) v = sorted([int(i) for i in input().split()], reverse=True) ans = 0 for i in range(n): ans += (v[i] if i%2 == 0 else -v[i]) print(ans)
p03943
s534868033
Accepted
a, b, c = sorted(map(int, input().split())) print("Yes" if a+b == c else "No")
p02958
s143594701
Accepted
import numpy as np n = int(input()) s = list(map(int,input().split())) a = np.array(list(range(1,n+1))) b = np.array(s) if len(a[a==b]) >= n-2: print("YES") else: print("NO")
p03910
s986579763
Accepted
n=int(input()) chk=0 add=1 while chk<n: chk+=add add+=1 add-=1 if n==chk: for i in range(add): print(i+1) else: exc=chk-n for i in range(add): if i+1==exc: continue print(i+1)
p03360
s598338097
Wrong Answer
ABC=list(map(int,input().split())) K=int(input()) ABC.sort() print(ABC[0]+ABC[1]+ABC[2]*2*K)
p02743
s817498553
Wrong Answer
a, b, c = map(int, input().split()) if 4 * a * b < (c-a-b) ** 2: print("Yes") else: print("No")
p03438
s362171868
Wrong Answer
from math import ceil n = int(input()) A = list(map(int,input().split())) B = list(map(int,input().split())) maxC = sum(B)-sum(A) C = 0 for i in range(n): a, b = A[i], B[i] if a<b: C += ceil((b-a)/2) elif a>b: C += a-b print('Yes' if C<=maxC else 'No')