Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
from sys import stdin
N, Y = map(int, stdin.readline().rstrip().split())
for i in  range(N+1):
    for j in range(N+1-i):
        if 1000 * i + 5000 * j + 10000 * (N - i - j) == Y:
            answer = (i, j, N-i-j)
            break

a, b, c = answer
print(max(-1, c), max(-1, b), max(-1,a))


Fixed submission:
from sys import stdin
N, Y = map(int, stdin.readline().rstrip().split())
for i in  range(N+1):
    for j in range(N+1-i):
        if 1000 * i + 5000 * j + 10000 * (N - i - j) == Y:
            print(N-i-j, j ,i)
            exit()
print(-1, -1, -1)
Buggy python submission (verdict: Runtime Error):
import itertools
n, m = map(int, input().split())
path = [[False] * n for i in range(n)]
for i in range(m):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    path[a][b] = True
    path[b][a] = True
ans = 0
for i itertools.permutations(range(n), n):
    if i[0] == 0:
        for j in range(n):
            if j == n - 1:
                ans += 1
                break
            if not path[i[j]][i[j+1]]:
                break
print(ans)


Fixed submission:
import itertools
n, m = map(int, input().split())
path = [[False] * n for i in range(n)]
for i in range(m):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    path[a][b] = True
    path[b][a] = True
ans = 0
for i in itertools.permutations(range(n), n):
    if i[0] == 0:
        for j in range(n):
            if j == n - 1:
                ans += 1
                break
            if not path[i[j]][i[j+1]]:
                break
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
from sys import stdin
K, S = map(int, stdin.readline().rstrip().split())
l = list(i for i in range(K+1))
def binary_search(list, item):
    count = 0
    low = 0
    high = len(list) - 1
    while low <= high:
        if (low + high) % 2 == 0:
            mid = (low + high) // 2
        else:
            mid = (low + high) // 2 - 1
        guess = list[mid]
        if guess == item:
            return True
        if guess > item:
            high = mid - 1
        else:
            low = mid + 1
    return None
count = 0
for i in range(K+1):
    for j in range(K+1):
        if binary_search(l, S - i - j):
            count += 1
print(count)
            


Fixed submission:
from sys import stdin
K, S = map(int, stdin.readline().rstrip().split())
l = list(i for i in range(K+1))
count = 0
for i in range(K+1):
    for j in range(K+1):
        z = S - i - j
        if 0 <= z <= K:
            count += 1
print(count)

Buggy python submission (verdict: Time Limit Exceeded):
from sys import stdin
K, S = map(int, stdin.readline().rstrip().split())
count = 0
for i in range(K+1):
    for j in range(K+1):
        for l in range(K+1):
            if i + j + l == S:
                count += 1
print(count)
            
        

Fixed submission:
from sys import stdin
K, S = map(int, stdin.readline().rstrip().split())
l = list(i for i in range(K+1))
count = 0
for i in range(K+1):
    for j in range(K+1):
        z = S - i - j
        if 0 <= z <= K:
            count += 1
print(count)
Buggy python submission (verdict: Runtime Error):
from sys import stdin
S = stdin.readline().rstrip()
n = len(S)
def dfs(i, f):
    if i = n-1:
        return sum(list(map(int, f.split('+'))))
    return dfs(i+1, f + S[i + 1]) + dfs(i + 1, f + '+' + s[i-1])
print(dfs(0, S[0]))


Fixed submission:
from sys import stdin
S = stdin.readline().rstrip()
n = len(S)
def dfs(i, f):
    if i == n-1:
        return sum(list(map(int, f.split('+'))))
    return dfs(i+1, f + S[i + 1]) + dfs(i + 1, f + '+' + S[i+1])
print(dfs(0, S[0]))

Buggy python submission (verdict: Runtime Error):
from sys import stdin
S = stdin.readline().rstrip()
n = len(S)
def dfs(i, f):
    if i = n-1:
        return sum(list(map(int, f.split('+'))))
    return dfs(i+1, f + S[i + 1]) + dfs(i + 1, f + '+' s[i-1])
print(dfs(0, S[0]))


Fixed submission:
from sys import stdin
S = stdin.readline().rstrip()
n = len(S)
def dfs(i, f):
    if i == n-1:
        return sum(list(map(int, f.split('+'))))
    return dfs(i+1, f + S[i + 1]) + dfs(i + 1, f + '+' + S[i+1])
print(dfs(0, S[0]))

Buggy python submission (verdict: Runtime Error):
from sys import stdin
S = stdin.readline().rstrip()
n = len(S)
def dfs(i, f):
    if i = n-1:
        return sum(list(map(int, f.split('+'))))
    return dfs(i+1, f + S[i + 1]) + dfs(i + 1, f + '+' s[i-1])
#最初が＋なし、次が＋あり
print(dfs(0, S[0]))


Fixed submission:
from sys import stdin
S = stdin.readline().rstrip()
n = len(S)
def dfs(i, f):
    if i == n-1:
        return sum(list(map(int, f.split('+'))))
    return dfs(i+1, f + S[i + 1]) + dfs(i + 1, f + '+' + S[i+1])
print(dfs(0, S[0]))

Buggy python submission (verdict: Runtime Error):
from sys import stdin
S = stdin.readline().rstrip()
n = len(S)
def dfs(i, f):
    if i = n-1:
        return sum(list(map(int, f.split('+'))))
    return dfs(i+1, f + S[i + 1]) + dfs(i + 1, f + '+' s[i-1])
#最初が＋なし、次が＋あり
print(def(0, S[0]))


Fixed submission:
from sys import stdin
S = stdin.readline().rstrip()
n = len(S)
def dfs(i, f):
    if i == n-1:
        return sum(list(map(int, f.split('+'))))
    return dfs(i+1, f + S[i + 1]) + dfs(i + 1, f + '+' + S[i+1])
print(dfs(0, S[0]))

Buggy python submission (verdict: Runtime Error):
from sys import stdin
S = stdin.readline().rstrip()
n = len(S)
def dfs(i, f):
    if i = n-1:
        return sum(list(map(int, f.split('+'))))
    return dfs(i+1, f + S[i + 1]) + dfs(i + 1, f + '+' s[i-1])
#最初が＋なし、次が＋あり
print(def(0, s[0]))


Fixed submission:
from sys import stdin
S = stdin.readline().rstrip()
n = len(S)
def dfs(i, f):
    if i == n-1:
        return sum(list(map(int, f.split('+'))))
    return dfs(i+1, f + S[i + 1]) + dfs(i + 1, f + '+' + S[i+1])
print(dfs(0, S[0]))
Buggy python submission (verdict: Runtime Error):
X = input()

if X >= 30:
    print('Yes')
else:
    print('No')
    

Fixed submission:
X = int(input())

if X >= 30:
    print('Yes')
else:
    print('No')
Buggy python submission (verdict: Runtime Error):
N = str(input())

if len(N) <4:
    print(1000-N)
elif len(N) == 5:
    print(10000-N)
else:
    n = (1+int(N[0]))*1000 
    print(n - int(N))


Fixed submission:
N = str(input())

if len(N) <4:
    print(1000-int(N))
elif len(N) == 5:
    print(10000-int(N))
else:
    n = (1+int(N[0]))*1000 
    if int(N) % 1000 == 0:
      print(0)
    else:
      print(n - int(N))
Buggy python submission (verdict: Runtime Error):
N=int(input())
A = [int(x) for x in input().split()]

ans=1
if 0 in A:
    ans = 0
else:
    for a in A:
        A.reverse()
        if a > 10**18:
            ans = -1
            break
        else:
            ans *= a
            if ans > 10**18:
                ans = -1
                break
print(ans)

                


Fixed submission:
A, B=map(int, input().split())

print(A*B)

Buggy python submission (verdict: Runtime Error):
A, B=map(int, input().split)

print(A*B)

Fixed submission:
A, B=map(int, input().split())

print(A*B)

Buggy python submission (verdict: Runtime Error):
A,B=map(int,input().split)

print(A*B)

Fixed submission:
A, B=map(int, input().split())

print(A*B)

Buggy python submission (verdict: Runtime Error):
A,B=map(int,input())

print(A*B)

Fixed submission:
A, B=map(int, input().split())

print(A*B)
Buggy python submission (verdict: Runtime Error):
x=list(int(input()))
print(x)

if x[-1] = "2","4","5","7","9":
	y="hon"
elif x[-1] ="0","1","6","8":
	y="pon"
else:
	y="bon"

print(y)


Fixed submission:
x=str(input())
y = x[-1]


if y == "3":
	 	 z="bon"
elif y == "0":
	z="pon"
elif y == "1":
	z="pon"
elif y == "6":
	z="pon"
elif y =="8":
	z="pon"
else:
	z="hon"

print(z)
exit()
Buggy python submission (verdict: Runtime Error):
import math

A, B, H, M=map(int,input().split(""))

a = int(A)
b = int(B)
h = int(H)
m = int(M)
ang = 6*m - (30*h + 0.5*m)

cosa =math.cos(ang)

c = math.sqrt(a^2 + b^2 - 2 * a * b * cosa)


print(c)


Fixed submission:
import math

A, B, H, M=map(int,input().split())

ha = (M / 60 + H)*30
ma = M*6
ang = ha - ma

cosa =math.cos(ang*math.pi/180)

c = math.sqrt(A**2 + B**2 - 2 * A * B * cosa)


print(c)

Buggy python submission (verdict: Runtime Error):
import math

A, B, H, M=map(int,input().split(" "))

a = int(A)
b = int(B)
h = int(H)
m = int(M)
ang = 6*m - (30*h + 0.5*m)

if ang > 0:
	ang = ang
else:
	ang = 360 - ang

cosa =math.cos(ang)

c = math.sqrt(a^2 + b^2 - 2 * a * b * cosa)


print(c)


Fixed submission:
import math

A, B, H, M=map(int,input().split())

ha = (M / 60 + H)*30
ma = M*6
ang = ha - ma

cosa =math.cos(ang*math.pi/180)

c = math.sqrt(A**2 + B**2 - 2 * A * B * cosa)


print(c)
Buggy python submission (verdict: Runtime Error):

S, W= map(int,input().split(""))

if S < W:
    print("unsafe")
else :
    print("safe")

Fixed submission:
S, W= map(int,input().split())

if S <= W:
    print("unsafe")
else :
    print("safe")
Buggy python submission (verdict: Time Limit Exceeded):
a=int(input())
l=list(map(int,input().split()))
b=int(input())
initial_sum=sum(l)
for _ in range(b):
  l1=list(map(int,input().split()))
  x=l1[0]
  y=l1[1]
  z=l.count(l1[0])
  for i in range(len(l)):
    if l[i] ==l1[0]:
      l[i]=l1[1]
  initial_sum+=(y-x)*z
  print(initial_sum)

Fixed submission:
from collections import Counter
a=int(input())
l=list(map(int,input().split()))
b=int(input())
s=Counter(l)
initial_sum=sum(l)

for _ in range(b):
  x,y=map(int,input().split())
  k=s[x]
  s[x]=0
  s[y]+=k
  initial_sum+=(y-x)*k
  print(initial_sum)

Buggy python submission (verdict: Time Limit Exceeded):
a=int(input())
l=list(map(int,input().split()))
b=int(input())
for i in range(b):
  l1=list(map(int,input().split()))
  for i in range(len(l)):
    if l[i] ==l1[0]:
      l[i]=l1[1]
  print(sum(l))

Fixed submission:
from collections import Counter
a=int(input())
l=list(map(int,input().split()))
b=int(input())
s=Counter(l)
initial_sum=sum(l)

for _ in range(b):
  x,y=map(int,input().split())
  k=s[x]
  s[x]=0
  s[y]+=k
  initial_sum+=(y-x)*k
  print(initial_sum)

Buggy python submission (verdict: Time Limit Exceeded):
a=int(input())
l=list(map(int,input().split()))
b=int(input())
grand=0
for i in range(b):
  sum=0
  l1=list(map(int,input().split()))
  for i in range(len(l)):
    if l[i] ==l1[0]:
      l[i]=l1[1]
    sum+=l[i]
  print(sum)

Fixed submission:
from collections import Counter
a=int(input())
l=list(map(int,input().split()))
b=int(input())
s=Counter(l)
initial_sum=sum(l)

for _ in range(b):
  x,y=map(int,input().split())
  k=s[x]
  s[x]=0
  s[y]+=k
  initial_sum+=(y-x)*k
  print(initial_sum)
Buggy python submission (verdict: Runtime Error):
x,y=map(int,input().split())
a=list(map(int,input().split()))
a=set(a)
for i in range(101):
  
  if x-i not in a:
        print(x-i)
        exit()
    elif x+i not in a:
        print(x+i)
        exit()

Fixed submission:
x,y=map(int,input().split())
a=list(map(int,input().split()))
a=set(a)
for i in range(101):
  
  if x-i not in a:
        print(x-i)
        exit()
  elif x+i not in a:
      print(x+i)
      exit()
Buggy python submission (verdict: Runtime Error):
a,b=int(input())
print(a*b)

Fixed submission:
A,B=map(int,input().split())
print(A*B)
Buggy python submission (verdict: Runtime Error):
n=(input())
rem=str(n)

if int(n[-1:]) in str(2) or str(4) or str(7) or str(9):
  print('hon')
if int(n[-1:]) in str(0) or str(1) or str(6) or str(8):
  print('bon')
if int(n[-1:]) == str(3):
  print('pon')
  


Fixed submission:
n = input()
if n[-1:] == str(2) or  n[-1:] ==  str(4)  or  n[-1:] ==  str(5) or  n[-1:] == str(7) or  n[-1:] == str(9):
  print('hon')
if (n[-1:]) == str(0) or  n[-1:] == str(1) or  n[-1:] == str(6) or  n[-1:] == str(8):
  
  print('pon')
if (n[-1:]) == str(3):
  print('bon')

Buggy python submission (verdict: Runtime Error):
n=int(input())
rem=str(n)
l1=[2,4,5,7,9]
l2=[0,1,6,8]

if int(n[-1:]) in l1:
  print('hon')
if int(n[-1:]) in l2:
  print('bon')
if int(n[-1:]) == 3:
  print('pon')
  

Fixed submission:
n = input()
if n[-1:] == str(2) or  n[-1:] ==  str(4)  or  n[-1:] ==  str(5) or  n[-1:] == str(7) or  n[-1:] == str(9):
  print('hon')
if (n[-1:]) == str(0) or  n[-1:] == str(1) or  n[-1:] == str(6) or  n[-1:] == str(8):
  
  print('pon')
if (n[-1:]) == str(3):
  print('bon')
Buggy python submission (verdict: Runtime Error):
s=input()
k=int(input())
if len(s)> k:
  print(s[:k]+'...')
if len(s)<=k:
  print(s)

Fixed submission:
k=int(input())
s=input()
if len(s)> k:
  print(s[:k]+'...')
if len(s)<=k:
  print(s)
Buggy python submission (verdict: Runtime Error):
string,string2=map(str,input().split())
string2=string2[0:len(string2)-1]
print("Yes" if string==string2 else "No")

Fixed submission:
string,string2=input(),input()
string2=string2[0:len(string2)-1]
print("Yes" if string==string2 else "No")

Buggy python submission (verdict: Runtime Error):
string,sub_string=map(str,input().split())
results = 0
sub_len = len(sub_string)
for i in range(len(string)):
  if string[i:i+sub_len] == sub_string:
    if len(sub_string)-len(string) ==1:
      print('Yes')
  else:
    print('No')

Fixed submission:
string,string2=input(),input()
string2=string2[0:len(string2)-1]
print("Yes" if string==string2 else "No")
Buggy python submission (verdict: Runtime Error):
a= input()
i=0
while i< len(s):
  j=s[i:i+1]
  if j==7:
    print('Yes')
    break
  i+=1

Fixed submission:
s= input()
i=0
res=[]
while i< len(s):
  j=s[i:i+1]
  res.append(j)
  i+=1
print('Yes' if str(7) in res else 'No')
Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
ans=0
n%=m
ans=(min(n,(m-n))
print(ans)


Fixed submission:
n,m=map(int,input().split())
ans=0
n%=m
#print(n,m)
ans=min(n,(m-n))
print(ans)

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
ans=0
n%=m
ans=(min(n,(k-n))
print(ans)


Fixed submission:
n,m=map(int,input().split())
ans=0
n%=m
#print(n,m)
ans=min(n,(m-n))
print(ans)

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
ans=0
n%=m
ans=(min(n,k-n))
print(ans)


Fixed submission:
n,m=map(int,input().split())
ans=0
n%=m
#print(n,m)
ans=min(n,(m-n))
print(ans)
Buggy python submission (verdict: Runtime Error):
N = int(input())
A_ = [int(i) for i in input().split()]
A=set(A_)
if len(_A)>len(A) and len(A)=0:
    print(0)
else:
    A.sort()
    A.reverse()
    times = 0
    for n,i in enumerate(A):
        flag = 0
        for j in list(range(n-1,n))+list(range(n+1,len(A))):
            if A[j]<=i:
                if i%A[j]==0:
                    flag = 1
                    break
        if flag == 0:            
            times+=1   
            
    print(times)    

Fixed submission:
number = input().split()
for i in range(len(number)):
    if number[i]=="0":
        print(i+1)
Buggy python submission (verdict: Runtime Error):
X,N = [int(i) for i in input().split()]
p = [int(i) for i in input().split()]
nlist = [0 for i in range(100)] 
for i in p:
    nlist[i-1]=1
for i in range(max(X+1,100-X+1)):
    
    if X-i-1>=0:
        if nlist[X-i-1] == 0:
            result = X-i
            break
    if X+i-1<=99:
        if nlist[X+i-1] == 0:
            result = X+i
            break
print(result)
        

Fixed submission:
X,N = [int(i) for i in input().split()]
p = [int(i) for i in input().split()]
nlist = [0 for i in range(105)] 
for i in p:
    nlist[i]=1
for i in range(max(X+1,100-X+1)):
    
    if X-i>=0:
        if nlist[X-i] == 0:
            result = X-i
            break
    if X+i<=101:
        if nlist[X+i] == 0:
            result = X+i
            break
print(result)

Buggy python submission (verdict: Runtime Error):
X,N = [int(i) for i in input().split()]
p = [int(i) for i in input().split()]
nlist = [0 for i in range(100)] 
for i in p:
    nlist[i-1]=1
for i in range(max(X+1,100-X+1)):
    
    if X-i-1>=0:
        if nlist[X-i-1] == 0:
            result = X-i
            break
    if X+i-1>=0:
        if nlist[X+i-1] == 0:
            result = X+i
            break
print(result)
        

Fixed submission:
X,N = [int(i) for i in input().split()]
p = [int(i) for i in input().split()]
nlist = [0 for i in range(105)] 
for i in p:
    nlist[i]=1
for i in range(max(X+1,100-X+1)):
    
    if X-i>=0:
        if nlist[X-i] == 0:
            result = X-i
            break
    if X+i<=101:
        if nlist[X+i] == 0:
            result = X+i
            break
print(result)

Buggy python submission (verdict: Runtime Error):
X,N = [int(i) for i in input().split()]
p = [int(i) for i in input().split()]
nlist = [0 for i in range(100)] 
for i in p:
    nlist[i-1]=1
for i in range(max(X,100-X)):
    
    if X-i>=0:
        if nlist[X-i-1] == 0:
            result = X-i
            break
    if X-i>=0:
        if nlist[X+i-1] == 0:
            result = X+i
            break
print(result)
        

Fixed submission:
X,N = [int(i) for i in input().split()]
p = [int(i) for i in input().split()]
nlist = [0 for i in range(105)] 
for i in p:
    nlist[i]=1
for i in range(max(X+1,100-X+1)):
    
    if X-i>=0:
        if nlist[X-i] == 0:
            result = X-i
            break
    if X+i<=101:
        if nlist[X+i] == 0:
            result = X+i
            break
print(result)
Buggy python submission (verdict: Runtime Error):
N,K=map(int,input().split())

A=[int(i) for i in input().split()]
if K > N or K>30:
    output=""
    for i in range(N):
         output+=(str(N)+" ")
    print(output)
else:
    for _ in range(K):
        A_next =[1 for i in range(N)]
        for i in range(N):
            for j in range(A[i]):
                if (i+j+1) < N:
                    A_next[i+j+1]+=1
                if (i-j-1) >= 0:
                    A_next[i-j-1]+=1
        A=A_next
    output=""
    for i in A_next:
        output+=(str(i)+" ")
    print(output)
        
    

Fixed submission:
name = input()
name = name[:3]
print(name)

Buggy python submission (verdict: Runtime Error):
N,K=map(int,input().split())
 
A=[int(i) for i in input().split()]
if K > N or K>30:
    output=""
    for i in range(N):
         output+=(str(N)+" ")
    print(output)
else:
    for _ in range(K):
        A_next =[1 for i in range(N)]
        for i in range(N):
            for j in range(A[i]):
                if (i+j+1) < N:
                    A_next[i+j+1]+=1
                if (i-j-1) >= 0:
                    A_next[i-j-1]+=1
        A=A_next
    output=""
    for i in A_next:
        output+=(str(i)+" ")
    print(output)
        
    
N,K=map(int,input().split())

A=[int(i) for i in input().split()]
if K > N or K>40:
    output=""
    for i in range(N):
         output+=(str(N)+" ")
    print(output)
else:
    for _ in range(K):
        A_next =[1 for i in range(N)]
        for i in range(N):
            for j in range(A[i]):
                if (i+j+1) < N:
                    A_next[i+j+1]+=1
                if (i-j-1) >= 0:
                    A_next[i-j-1]+=1
        A=A_next
    output=""
    for i in A_next:
        output+=(str(i)+" ")
    print(output)
        



Fixed submission:
name = input()
name = name[:3]
print(name)
Buggy python submission (verdict: Time Limit Exceeded):
A,B,N = map(int,input().split())
score = 0
for i in range(N+1):
    temp = int(A*i/B)-A*int(i/B)
    score = max(temp, score)
print(score)

Fixed submission:
A,B,N = map(int,input().split())
score = 0
if N>=B:
    x = B-1
else:
    x = N

score = int(A*x/B)-A*int(x/B)
print(score)
Buggy python submission (verdict: Time Limit Exceeded):
from operator import itemgetter

N = int(input())
X=[]
ans=0
for i in range(N):
    H = list(map(int, input().split()))
    O=[]
    O.append(H[0]-H[1])
    O.append(H[0]+H[1])
    X.append(O)
#print(X)
X=sorted(X, key=itemgetter(1))
while(len(X)>0):
    #print(X)
    ans+=1
    S=X[0][1]
    X.remove(X[0])
    I = []
    for i in range(len(X)):
        if(X[i][0]>=S):
            I.append(X[i])
    X=I
    #print(I)



print(ans)


Fixed submission:
from operator import itemgetter

N = int(input())
X=[]
ans=0
for i in range(N):
    H = list(map(int, input().split()))
    O=[]
    O.append(H[0]-H[1])
    O.append(H[0]+H[1])
    X.append(O)
#print(X)
X=sorted(X, key=itemgetter(1))
S=X[0][1]
ans+=1
for i in range(len(X)):
    if(X[i][0]>=S):
        ans+=1
        S=X[i][1]
"""
while(len(X)>0):
    #print(X)
    ans+=1
    S=X[0][1]
    X.remove(X[0])
    I = []
    for i in range(len(X)):
        if(X[i][0]>=S):
            I.append(X[i])
    X=I
    #print(I)
"""


print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from operator import itemgetter

N = int(input())
X=[]
ans=0
for i in range(N):
    H = list(map(int, input().split()))
    O=[]
    O.append(H[0]-H[1])
    O.append(H[0]+H[1])
    X.append(O)
#print(X)
while(len(X)>0):
    X=sorted(X, key=itemgetter(1))
    #print(X)
    ans+=1
    S=X[0][1]
    X.remove(X[0])
    I = []
    for i in range(len(X)):
        if(X[i][0]>=S):
            I.append(X[i])
    X=I
    #print(I)



print(ans)


Fixed submission:
from operator import itemgetter

N = int(input())
X=[]
ans=0
for i in range(N):
    H = list(map(int, input().split()))
    O=[]
    O.append(H[0]-H[1])
    O.append(H[0]+H[1])
    X.append(O)
#print(X)
X=sorted(X, key=itemgetter(1))
S=X[0][1]
ans+=1
for i in range(len(X)):
    if(X[i][0]>=S):
        ans+=1
        S=X[i][1]
"""
while(len(X)>0):
    #print(X)
    ans+=1
    S=X[0][1]
    X.remove(X[0])
    I = []
    for i in range(len(X)):
        if(X[i][0]>=S):
            I.append(X[i])
    X=I
    #print(I)
"""


print(ans)
Buggy python submission (verdict: Runtime Error):
import math
def comb(n, r):
    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))
N,K = map(int, input().split())
A = list(map(int, input().split()))
A.sort()
max=0
min=0
for i in range(K-1,N):
    max+=A[i]*comb(i,K-1)

for i in range(N-K+1):
    min+=A[i]*comb(N-1-i,K-1)
ans=(max-min)%(10**9 +7)
print(ans)


Fixed submission:
C = input()
H = [chr(i) for i in range(97,97+26)]
l = len(H)
for i in range(l):
    if (C==H[i]):
        ans=H[i+1]
print(ans)
Buggy python submission (verdict: Runtime Error):
N = int(input())
H = list(map(str, input().split()))
S = H[0]
T = H[1]
#print(S)
#print(T)
L=S[0]+T[0]+S[1]+T[1]
#L[1]=T[1]
#L[2]=S[2]
#L[3]=T[2]


if N >=3:
    for i in range(2,N):
        L=L+S[i]
        L=L+T[i]
print(L)


Fixed submission:
N = int(input())
H = list(map(str, input().split()))
S = H[0]
T = H[1]
#print(S)
#print(T)
L=S[0]+T[0]
for i in range(1,N):
    L=L+S[i]
    L=L+T[i]
print(L)

Buggy python submission (verdict: Runtime Error):
N = int(input())
H = list(map(str, input().split()))
S = H[0]
T = H[1]
#print(S)
#print(T)
L=S[0]+T[0]+S[1]+T[1]
#L[1]=T[1]
#L[2]=S[2]
#L[3]=T[2]


if N >=3:
    for i in range(2,N):
        L=L+S[i]
    for i in range(2,N):
        L=L+T[i]
print(L)


Fixed submission:
N = int(input())
H = list(map(str, input().split()))
S = H[0]
T = H[1]
#print(S)
#print(T)
L=S[0]+T[0]
for i in range(1,N):
    L=L+S[i]
    L=L+T[i]
print(L)