Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
import numpy as np
import scipy
def gcd(a, b):
    if a % b:
        return gcd(b, (a % b))
    else:
        return b
N, M = map(int,input().split())
S = input()
T = input()
t = gcd(N,M)
n = N // t
m = M // t
ans = n * m * t
for i in range(t):
    if(S[n*m*i]!=T[n*m*i]):
        ans = -1
        break
print(ans)



Fixed submission:
import numpy as np
import scipy
def gcd(a, b):
    if a % b:
        return gcd(b, (a % b))
    else:
        return b
N, M = map(int,input().split())
S = input()
T = input()
t = gcd(N,M)
n = N // t
m = M // t
ans = n * m * t
for i in range(t):
    if(S[n*i]!=T[m*i]):
        ans = -1
        break
print(ans)
Buggy python submission (verdict: Runtime Error):
N,X = map(int,input().split())
towns = list(map(int,input().split()))
towns.append(X)
towns.sort()
town_diff = [0]*(len(towns)-1)
for i in range(len(towns)-1):
    town_diff[i] = towns[i+1]-towns[i]
town_diff.sort()
if(len(town_diff) == 1):
    gcd = town_diff[0]
else:
    a = town_diff[0]
    b = town_diff[1]
    for i in range(len(town_diff)-2):
        while(True):
            t = b%a
            if(t == 0):
                gcd = a
                break
            b = a
            a = t
        a = gcd
        b = town_diff[i+2]
print(gcd)

Fixed submission:
N,X = map(int,input().split())
towns = list(map(int,input().split()))
towns.append(X)
towns.sort()
town_diff = [0]*(len(towns)-1)
for i in range(len(towns)-1):
    town_diff[i] = towns[i+1]-towns[i]
town_diff.sort()
if(len(town_diff) == 1):
    gcd = town_diff[0]
elif(len(town_diff) == 2):
    a = town_diff[0]
    b = town_diff[1]
    while(True):
            t = b%a
            if(t == 0):
                gcd = a
                break
            b = a
            a = t
else:
    a = town_diff[0]
    b = town_diff[1]
    for i in range(len(town_diff)-2):
        while(True):
            t = b%a
            if(t == 0):
                gcd = a
                break
            b = a
            a = t
        a = gcd
        b = town_diff[i+2]
print(gcd)

Buggy python submission (verdict: Runtime Error):
N,X = map(int,input().split())
towns = list(map(int,input().split()))
towns.append(X)
towns.sort()
town_diff = [0]*(len(towns)-1)
for i in range(len(towns)-1):
    town_diff[i] = towns[i+1]-towns[i]
town_diff.sort()
status = ''
a = town_diff[0]
b = town_diff[1]
for i in range(len(town_diff)-2):
    while(True):
        t = b%a
        if(t == 0):
            gcd = a
            break
        b = a
        a = t
    a = gcd
    b = town_diff[i+2]
print(gcd)

Fixed submission:
N,X = map(int,input().split())
towns = list(map(int,input().split()))
towns.append(X)
towns.sort()
town_diff = [0]*(len(towns)-1)
for i in range(len(towns)-1):
    town_diff[i] = towns[i+1]-towns[i]
town_diff.sort()
if(len(town_diff) == 1):
    gcd = town_diff[0]
elif(len(town_diff) == 2):
    a = town_diff[0]
    b = town_diff[1]
    while(True):
            t = b%a
            if(t == 0):
                gcd = a
                break
            b = a
            a = t
else:
    a = town_diff[0]
    b = town_diff[1]
    for i in range(len(town_diff)-2):
        while(True):
            t = b%a
            if(t == 0):
                gcd = a
                break
            b = a
            a = t
        a = gcd
        b = town_diff[i+2]
print(gcd)
Buggy python submission (verdict: Runtime Error):
N, K = map(int, input().split())
if(N%K==0):
    return 0
else:
    return 1

Fixed submission:
N, K = map(int, input().split())
if(N%K==0):
    print(0)
else:
    print(1)
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int, input().split()))
a.sort()

ans = 0
for i in range(1, n):
    ans += a[n-int(i/2)]
print(ans)


Fixed submission:
n = int(input())
a = list(map(int, input().split()))
a.sort(reverse=True)

maxval = a[0]
cc = {maxval: 1}

ans = 0
idx = 0

for i in range(1, n):
    if a[i] in cc:
        cc[a[i]] += 2
    else:
        cc[a[i]] = 2
    cc[maxval] -= 1
    ans += maxval
    if cc[maxval] == 0:
        while 1:
            idx += 1
            if maxval > a[idx]:
                maxval = a[idx]
                break

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int, input().split()))
a.sort(reverse=True)
a_set = sorted(set(a), key=a.index)

maxval = a[0]
cc = {maxval: 1}

ans = 0
idx = 0

for i in range(1, n):
    if a[i] in cc:
        cc[a[i]] += 2
    else:
        cc[a[i]] = 2
    cc[maxval] -= 1
    ans += maxval
    if cc[maxval] == 0:
        idx += 1
        maxval = a_set[idx]
    # print(cc)

print(ans)


Fixed submission:
n = int(input())
a = list(map(int, input().split()))
a.sort(reverse=True)

maxval = a[0]
cc = {maxval: 1}

ans = 0
idx = 0

for i in range(1, n):
    if a[i] in cc:
        cc[a[i]] += 2
    else:
        cc[a[i]] = 2
    cc[maxval] -= 1
    ans += maxval
    if cc[maxval] == 0:
        while 1:
            idx += 1
            if maxval > a[idx]:
                maxval = a[idx]
                break

print(ans)
Buggy python submission (verdict: Runtime Error):
n, m, k = map(int, input().split())
a_ = list(map(int, input().split()))
b_ = list(map(int, input().split()))

a = [0]
for i in range(n):
    a.append(a[i]+a_[i])

b = [0]
for i in range(m):
    b.append(b[i]+b_[i])

for i in range(n):
    j = m
    if a[i] > k:
        break
    while 1:
        if b[j] < k - a[i]:
            break
        j -= 1

print(i+j)
        


Fixed submission:
n, m, k = map(int, input().split())
a_ = list(map(int, input().split()))
b_ = list(map(int, input().split()))

a = [0]
for i in range(n):
    a.append(a[i]+a_[i])

b = [0]
for i in range(m):
    b.append(b[i]+b_[i])

j = m
ans = 0
for i in range(n+1):
    if a[i] > k:
        break
    while 1:#b[j] > k - a[i]:
        if b[j] <= k - a[i]:
            break
        j -= 1
    ans = max(ans, i + j)

print(ans)
Buggy python submission (verdict: Runtime Error):
n = int(input())

ascii = 'abcdefghijklmnopqrstuvwxyz'

out = ''
l = []
while n > 0:
    l.append(n%26)
    out = str(n%26) + ", " + out
    n = int(n/26)
# print(out)
# print(l)

flg = 0
for i in range(len(l)):
    if l[i] != 0:
        l[i] -= 1
    else:
        if i == len(l)-2:
            flg = 1
        l[i+1] = 0
        l[i] = 25

if len(l)==1:
    l[0] -= 1

name = ""
for i in range(len(l)-flg):
    name = ascii[l[i]] + name
print(name)


Fixed submission:
n = int(input())

# # 名前の長さを求める
i = 1
while 1:
    # print(i)
    if n <= 26 ** i:
        break
    else:
        n -= 26**i
    i += 1

name = ""
n -= 1
for j in range(i):
    name += chr(ord('a') + n % 26)
    n //= 26

print(name[::-1])

Buggy python submission (verdict: Runtime Error):
n = int(input())

ascii = 'abcdefghijklmnopqrstuvwxyz'

i = 1
name = ""
while 1:
    # print(i)
    # print(n)
    if n - (26 ** i) > 0:
        n -= 26 ** i
    else:
        while i != 0:
            if i == 1:
                name += ascii[int(n%(26**i))-1]
            else:
                name += ascii[int(n/(26**(i-1)))]
            n = n % (26**(i-1))
            i -= 1
        break
    i += 1
print(name)


Fixed submission:
n = int(input())

# # 名前の長さを求める
i = 1
while 1:
    # print(i)
    if n <= 26 ** i:
        break
    else:
        n -= 26**i
    i += 1

name = ""
n -= 1
for j in range(i):
    name += chr(ord('a') + n % 26)
    n //= 26

print(name[::-1])
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int, input().split()))
s = sum(a)
q = int(input())
b = []
c = []
# diff = []
for i in range(q):
    _ = list(map(int, input().split()))
    c.append(_[1])
    b.append(_[0])

for i in range(q):
    for j in range(n):
        if b[i] == a[j]:
            a[j] = c[i]
    print(sum(a))


Fixed submission:
n = int(input())
a = list(map(int, input().split()))
q = int(input())
b = []
c = []
for i in range(q):
    _ = list(map(int, input().split()))
    c.append(_[1])
    b.append(_[0])

s = sum(a)

# 辞書型で度数を持つ
hist = {}
for i in range(n):
    if a[i] in hist:
        hist[a[i]] += 1
    else:
        hist[a[i]] = 1
# print(hist)

for i in range(q):
    diff = c[i] - b[i]
    if b[i] in hist:
        s += hist[b[i]]*diff
        print(s)
        if c[i] in hist:
            hist[c[i]] += hist[b[i]]
            del hist[b[i]]
        else:
            hist[c[i]] = hist[b[i]]
            del hist[b[i]]
    else:
        print(s)
    # print(hist)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int, input().split()))

product = 1
for i in a:
    if i==0:
        product = 0
        break
    product *= i

if product > 10**18:
    print(-1)
else:
    print(product)


Fixed submission:
n = int(input())
a = list(map(int, input().split()))

product = 1

if 0 in a:
    product = 0
else:
    for i in a:
        product *= i
        if product > 10**18:
            product = -1
            break

print(product)
Buggy python submission (verdict: Runtime Error):
import decimal

a, b = input().split()

a = Decimal(a)
# print(b)
b = Decimal(b)
# print(b)

print(int(a*b))


Fixed submission:
import decimal

a, b = input().split()

a = decimal.Decimal(a)
# print(b)
b = decimal.Decimal(b)
# print(b)

print(int(a*b))
Buggy python submission (verdict: Runtime Error):
from collections import deque

n, m = map(int, input().split())

dist = [-1 for i in range(n)]

G = [[] for i in range(n)]
for i in range(n):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    G[a].append(b)
    G[b].append(a)
# print(G)

dist[0] = 0
que = deque([0])

while len(que) != 0:
    v = que.popleft()

    for vi in G[v]:
        if dist[vi] != -1:
            continue
        que.append(vi)
        dist[vi] = dist[v] + 1

ans = "Yes"
for i in range(n):
    if dist[i] == -1:
        ans = "No"
        break

if ans == "No":
    print(ans)
else:
    print(ans)
    for i in range(1, n):
        print(dist[i])


Fixed submission:
from collections import deque

n, m = map(int, input().split())

# dist = [-1 for i in range(n)]
prenodes = [-1 for i in range(n)]

G = [[] for i in range(n)]
ab = []
for i in range(m):
    ab.append(list(map(int, input().split())))

for i in range(m):
    G[ab[i][0]-1].append(ab[i][1]-1)
    G[ab[i][1]-1].append(ab[i][0]-1)
# print(G)

# dist[0] = 0
prenodes[0] = 0
que = deque([0])

while len(que) != 0:
    v = que.popleft()

    for vi in G[v]:
        if prenodes[vi] != -1:
            continue
        que.append(vi)
        # dist[vi] = dist[v] + 1
        prenodes[vi] = v

ans = "Yes"
for i in range(n):
    if prenodes[i] == -1:
        ans = "No"
        break

if ans == "No":
    print(ans)
else:
    print(ans)
    for i in range(1, n):
        print(prenodes[i]+1)
Buggy python submission (verdict: Runtime Error):
x = int(input())
for i in range(-200, 200):
  for j in range(-200, 200):
    if i**5-j**5 == x):
      print(i, j)
      exit()

Fixed submission:
import sys

x = int(input())

for i in range(-200, 200):
    for j in range(-200, 200):
        if i**5 - j**5 == x:
            print(i, j)
            sys.exit()
Buggy python submission (verdict: Runtime Error):
n = int(input())

yesno = "No"

if int(n/100)==7:
  yesno = "Yes"
if n$10==7:
  yesno = "Yes"
n = n%100
if int(n/10)==7:
  yesno = "Yes"
print(yesno)

Fixed submission:
n = int(input())
 
yesno = "No"
 
if int(n/100)==7:
  yesno = "Yes"
if n%10==7:
  yesno = "Yes"
n = n%100
if int(n/10)==7:
  yesno = "Yes"
print(yesno)
Buggy python submission (verdict: Time Limit Exceeded):
import math
from functools import reduce


def gcd(a, b, c):
    ans = math.gcd(a, b)
    ans = math.gcd(ans, c)

    # abc = [a, b, c]
    # for _ in [[0, 1], [0, 2], [1, 2]]:
    #     a0 = max(abc[_[0]], abc[_[1]])
    #     a1 = min(abc[_[0]], abc[_[1]])

    #     i = 0
    #     while True:
    #         tmp = a0 % a1
    #         if tmp == 0:
    #             gcds.append(a1)
    #             break
    #         a0 = a1
    #         a1 = tmp

    return ans

# def gcd(*numbers):
#     return reduce(math.gcd, numbers)


k = int(input())

s = 0
for a in range(1, k+1):
    for b in range(1, k+1):
        for c in range(1, k+1):
            s += gcd(a, b, c)

print(s)


Fixed submission:
import math
# from functools import reduce
import itertools


def gcd(a, b, c):
    ans = math.gcd(a, b)
    ans = math.gcd(ans, c)

    return ans

# def gcd(*numbers):
#     return reduce(math.gcd, numbers)

k = int(input())

elem = [i+1 for i in range(k)]

combs = itertools.combinations_with_replacement(elem, 3)

tmp = [1, 2, 3]

s = 0
for comb in combs:
    s += sum(tmp[:len(set(comb))]) * gcd(comb[0], comb[1], comb[2])
# for a in range(1, k+1):
#     for b in range(1, k+1):
#         for c in range(1, k+1):
#             s += gcd(a, b, c)

print(s)
Buggy python submission (verdict: Runtime Error):
h, a = map(int, input().split())
c = int(h/a)
if h%a!=0:
    c+=1
print(c)

Fixed submission:
h, a = map(int, input().split())
c = int(h/a)
if h%a!=0:
    c+=1
print(c)
Buggy python submission (verdict: Runtime Error):
n=int(input())
print(int(n*(n-1)/2))

Fixed submission:
s=input()
t=input()
c = 0
for i in range(3):
    if s[i]==t[i]:
        c+=1
print(c)
Buggy python submission (verdict: Runtime Error):
l=list(map(int, input().split())
n=l[0]
a, b = l[1], l[2]

if a*n>=b:
    print(b)
else:
    print(a*n)

Fixed submission:
l = list(map(int, input().split()))
n=l[0]
a=l[1]
b = l[2]

if a*n >= b:
    print(b)
else:
    print(a*n)
Buggy python submission (verdict: Time Limit Exceeded):
# cook your dish here

num = int(input())
arr = list(map(int,input().split(" ")));

maxi = 1000000000000000000
val = 1;
for i in arr:
        val = val*i;

if val>maxi:
        print("-1")
else:
        print(val)
        

Fixed submission:
# cook your dish here

num = int(input())
arr = list(map(int,input().split(" ")));

maxi = 1000000000000000000

val = 1;
arr.sort()

if arr[0]==0:
        print(0)

else:
        for i in arr:
                val = val*i;
                if val>maxi:
                        val = -1
                        break
        
        
        print(val)
Buggy python submission (verdict: Runtime Error):
import math
import re

a = input()
b = int(re.findall('^.',a))
c = float(re.findall('.$',a))

c = a * b
print(math.floor(c))

Fixed submission:
import math
import re
from decimal import *

a = input()
b = int(re.sub('\s.+$','',a))
c = Decimal(re.sub('^.+\s','',a))
d = Decimal(b * c)
d = math.floor(d)
d = int(d)

print(d)

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

a, b = (int(i) for i in input().split())  
c = a * b
print(math.floor(c))

Fixed submission:
import math
import re
from decimal import *

a = input()
b = int(re.sub('\s.+$','',a))
c = Decimal(re.sub('^.+\s','',a))
d = Decimal(b * c)
d = math.floor(d)
d = int(d)

print(d)
Buggy python submission (verdict: Runtime Error):
n = int(input())
bl = false
for i in 9
    for j in 9
        if n = i * j:
            bl = true
            break

if bl = true:
    print ("Yes")
else:
    print ("No")


Fixed submission:
n = int(input())
bl = 0
for i in range(1,10):
    for j in range(1,10):
        if n == (i * j):
            bl = 1
            break
if bl == 1:
    print ("Yes")
else:
    print ("No")

Buggy python submission (verdict: Runtime Error):
n = input()
bl = false
for i in 9
    for j in 9
        if n = i * j:
            bl = true
            break
if bl = true:
    print ("Yes")
else:
    print ("No")

Fixed submission:
n = int(input())
bl = 0
for i in range(1,10):
    for j in range(1,10):
        if n == (i * j):
            bl = 1
            break
if bl == 1:
    print ("Yes")
else:
    print ("No")
Buggy python submission (verdict: Runtime Error):
import sys
from collections import Counter
N = int(input())
As = list(map(int,input().split()))
ct = Counter(As)
As =sorted(As)
max_dp = As[-1] +1
dp = [True] * max_dp
for key,count in ct.items():
	if count > 1:
		dp[key] = False
for A in As:
	if dp[A] == True:
		i = 2
		while A*i <= max_dp:
			dp[A*i] = False
			i+=1

ans = 0
# print(len(dp))
for A in As:
	# print(A)
	if dp[A]:
		ans+=1
print(ans)


Fixed submission:
import sys
from collections import Counter
N = int(input())
As = list(map(int,input().split()))
ct = Counter(As)
As =sorted(As)
max_dp = As[-1] +1
dp = [True] * max_dp
for key,count in ct.items():
	if count > 1:
		dp[key] = False
		i = 2
		while key*i < max_dp:
			dp[key*i] = False
			i+=1
for A in As:
	if dp[A] == True:
		i = 2
		while A*i < max_dp:
			dp[A*i] = False
			i+=1

ans = 0
# print(len(dp))
for A in As:
	# print(A)
	if dp[A]:
		ans+=1
print(ans)

Buggy python submission (verdict: Runtime Error):
import sys
from collections import Counter
N = int(input())
As = map(int,input().split())

As = sorted(As)
max_dp = As[-1] +1
dp = [True] * max_dp

for A in As:
	if dp[A] == True:
		i = 2
		while A*i <= max_dp:
			dp[A*i] = False
			i+=1

ans = 0
for A in As:
	if dp[A]:
		ans+=1
print(ans)


Fixed submission:
import sys
from collections import Counter
N = int(input())
As = list(map(int,input().split()))
ct = Counter(As)
As =sorted(As)
max_dp = As[-1] +1
dp = [True] * max_dp
for key,count in ct.items():
	if count > 1:
		dp[key] = False
		i = 2
		while key*i < max_dp:
			dp[key*i] = False
			i+=1
for A in As:
	if dp[A] == True:
		i = 2
		while A*i < max_dp:
			dp[A*i] = False
			i+=1

ans = 0
# print(len(dp))
for A in As:
	# print(A)
	if dp[A]:
		ans+=1
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
import sys
from itertools import combinations
from collections import Counter
ct = Counter()
Ass = []
N, M, X = map(int, input().split())
for i in range(N):
	As = list(map(int, input().split()))
	ct[i] = As[0]
	Ass.append(As[1:])

C = []
for z in range(M):	
	B = []
	for i in range(N):
		B.append(Ass[i][z])
	D = []
	for i in range(1, N+1):
		l = list(combinations(range(N), i))
		
		for j in l:
			s = 0
			for jj in j:
				s += B[jj]
			if s >= X:
				D.append(j)
	C.append(D)

cand = []
for i in C[0]:
	flag=True
	for j in C[1:]:
		if i not in j:
			flag=False
			break
	if flag:
		cand.append(i)
ans = 10**9


for i in cand:
	s = 0
	for j in i:
		s+= ct[j]
	if s < ans:
		ans = s

if ans == 10**9:
	print('-1')
else:
	print(ans)

Fixed submission:
import sys
from itertools import combinations
from collections import Counter
ct = Counter()
Ass = []
ans = []
N, M, X = map(int, input().split())
for i in range(N):
	Ass.append(list(map(int, input().split())))

for z in range(M):	
	B = []
	for i in range(N):
		B.append(Ass[i][z])
	D = []
	for i in range(1, N+1):
		for j in combinations(Ass, i):
			flag = True
			d = [0]*(M+1)
			for k in j:  # (2, 7, 3)
				for l in range(M+1):
					d[l] += k[l]
			for x in range(1, M+1):
				if d[x] >= X:
					pass
				else:
					flag=False
					break
			if flag:
				ans.append(d[0])


if len(ans) > 0:
	print(min(ans))
else:
	print('-1')
Buggy python submission (verdict: Runtime Error):
N, M = map(int, input().split())
Hs = list(map(int, input().split()))
edges = [[] for i in range(N)]
for i in range(M):
	a, b = map(int, input().split())
	edges[a-1].append(b) 
	edges[b-1].append(a)

ans = 0
for idx, aa in enumerate(edges):
	for a in aa:
		if Hs[idx] <= Hs[a]:
			break
		ans += 1
		break
print(ans)

Fixed submission:
N, M = map(int, input().split())
Hs = list(map(int, input().split()))
ans = [1 for i in range(N)]
for i in range(M):
	a, b = map(int, input().split())
	if Hs[a-1] <= Hs[b-1]:
		ans[a-1] = 0
	if Hs[b-1] <= Hs[a-1]:
		ans[b-1] = 0
print(sum(ans))
Buggy python submission (verdict: Time Limit Exceeded):
import sys
import itertools
import collections
# X = int(input())
A, B, N = map(int, input().split())

if B-1 < N:
	max_score = 0
	for x in range(B-1, N+1, B):
		score = int(A*x/B) - A * int(x/B)
		if max_score < score:
			max_score = score
	print(score)

else:
	print(int(A*N/B))


Fixed submission:
import sys
import itertools
import collections
# X = int(input())
A, B, N = map(int, input().split())
if B-1 < N:
	print(int(A*(B-1)/B))
else:
	print(int(A*N/B))
Buggy python submission (verdict: Runtime Error):
n, m = map(int, input().split())
As = list(map(int, input().split()))

vacation = n-sum(As)
if vacation < 0:
	print('-1')
else:
	print vacation

Fixed submission:
n, m = map(int, input().split())
As = list(map(int, input().split()))

vacation = n-sum(As)
if vacation < 0:
	print('-1')
else:
	print(vacation)
Buggy python submission (verdict: Time Limit Exceeded):
n, k = map(int, input().split())
s=0
for i in range(k, n+2):
	s += (sum(range(n+2-i, n+2)) - sum(range(i+1)) +1 )%(10**9 +7)
print(s%(10**9 +7))

Fixed submission:
n, k = map(int, input().split())
import numpy
res = numpy.cumsum(range(n+2))
s=0
for i in range(k, n+2):
	s += (res[n+1] - res[n+1-i] - res[i] +1)%(10**9 +7)
print(s%(10**9 +7))

Buggy python submission (verdict: Time Limit Exceeded):
n, k = map(int, input().split())
s=0
for i in range(k, n+2):
	# print("sum(range(n+2-i, n+2))")
	# print(sum(range(n+2-i, n+2)))
	# print("sum(range(i+1))")
	# print(sum(range(i+1)))
	s += sum(range(n+2-i, n+2)) - sum(range(i+1)) +1 
print(s)

Fixed submission:
n, k = map(int, input().split())
import numpy
res = numpy.cumsum(range(n+2))
s=0
for i in range(k, n+2):
	s += (res[n+1] - res[n+1-i] - res[i] +1)%(10**9 +7)
print(s%(10**9 +7))

Buggy python submission (verdict: Time Limit Exceeded):
from itertools import combinations
from collections import Counter
n, k = map(int, input().split())
As = list(range(n+1))
s = 0
for i in range(k, n+2):
	l = Counter(list(map(sum, combinations(As, i))))
	s+=len(l)%(10**9+7)
print(s%(10**9+7))

Fixed submission:
n, k = map(int, input().split())
import numpy
res = numpy.cumsum(range(n+2))
s=0
for i in range(k, n+2):
	s += (res[n+1] - res[n+1-i] - res[i] +1)%(10**9 +7)
print(s%(10**9 +7))
Buggy python submission (verdict: Runtime Error):
import sys
n = input()
for i in n:
	if i == '7'
		print('Yes')
		sys.exit(0)
print('No')



Fixed submission:
import sys
n = input()
for i in n:
	if i == '7':
		print('Yes')
		sys.exit(0)
print('No')
Buggy python submission (verdict: Runtime Error):
a, b, c = map(int, input())

print("{} {} {}".format(c, a, b))

Fixed submission:
a, b, c = map(int, input().split())
 
print("{} {} {}".format(c, a, b))
Buggy python submission (verdict: Runtime Error):
x = int(input())
print('{}'.format(str(int(x/500)*1000 + x%500))

Fixed submission:
N=int(input())
print('{}'.format(str(int(N/500)*1000+int(N%500/5)*5)))
Buggy python submission (verdict: Runtime Error):
kp = list(map(int, input().rsplit()))
A = list(map(int, input().rsplit()))
max_range = kp[0]-A[-1]+A[0]
for idx in range(len(A)):
  dif = A[idx+1]-A[idx] 
  if dif >max_range:
    max_range = dif

print(kp[0] - max_range)
  

Fixed submission:
kp = list(map(int, input().rsplit()))
A = list(map(int, input().rsplit()))
max_range = kp[0]-A[-1]+A[0]
for idx in range(len(A)-1):
  dif = A[idx+1]-A[idx] 
  if dif >max_range:
    max_range = dif
 
print(kp[0] - max_range)
Buggy python submission (verdict: Runtime Error):
import map
n, a, b = map(int, raw_input().split())
if a < b:
  max_value = b
else:
  max_value = a

print(str(max_value*n))


Fixed submission:
n, a, b = map(int, raw_input().split())
if a*n > b:
  min_value = b
else:
  min_value = a*n

print str(min_value)

Buggy python submission (verdict: Runtime Error):
n, a, b = map(int, raw_input().split())
if a < b:
  max = b
else:
  max = a

print(str(max*n))


Fixed submission:
n, a, b = map(int, raw_input().split())
if a*n > b:
  min_value = b
else:
  min_value = a*n

print str(min_value)