Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
sx, sy, tx, ty = [int(x) for x in input().split()]
y = ty - sy
l = ["R"]*x + ["U"]*y + ["L"]*x + ["D"]*y + ["D"] + ["R"] * (x+1) + ["U"]*(y+1) + ["L"] + ["U"] + ["L"]*(x+1) + ["D"]*(y+1) +["R"]
print("".join(l))

Fixed submission:
sx, sy, tx, ty = [int(x) for x in input().split()]
x = tx - sx
y = ty - sy
l = ["R"]*x + ["U"]*y + ["L"]*x + ["D"]*y + ["D"] + ["R"] * (x+1) + ["U"]*(y+1) + ["L"] + ["U"] + ["L"]*(x+1) + ["D"]*(y+1) +["R"]
print("".join(l))

Buggy python submission (verdict: Runtime Error):
from sys import stdin
sx, sy, tx, ty = [int(x) for x in stdin().readline().rstrip().split()]
x = tx - sx
y = ty - sy
l = ["R"]*x + ["U"]*y + ["L"]*x + ["D"]*y + ["D"] + ["R"] * (x+1) + ["U"]*(y+1) + ["L"] + ["U"] + ["L"]*(x+1) + ["D"]*(y+1) +["R"]
print("".join(l))

Fixed submission:
sx, sy, tx, ty = [int(x) for x in input().split()]
x = tx - sx
y = ty - sy
l = ["R"]*x + ["U"]*y + ["L"]*x + ["D"]*y + ["D"] + ["R"] * (x+1) + ["U"]*(y+1) + ["L"] + ["U"] + ["L"]*(x+1) + ["D"]*(y+1) +["R"]
print("".join(l))

Buggy python submission (verdict: Runtime Error):
from sys import stdin
def main():
    sx, sy, tx, ty = [int(x) for x in stdin().readline().rstrip().split()]
    x = tx - sx
    y = ty - sy
    l = ["R"]*x + ["U"]*y + ["L"]*x + ["D"]*y + ["D"] + ["R"] * (x+1) + ["U"]*(y+1) + ["L"] + ["U"] + ["L"]*(x+1) + ["D"]*(y+1) +["R"]
    print("".join(l))
if __name__ == "__main__":
    main()

Fixed submission:
sx, sy, tx, ty = [int(x) for x in input().split()]
x = tx - sx
y = ty - sy
l = ["R"]*x + ["U"]*y + ["L"]*x + ["D"]*y + ["D"] + ["R"] * (x+1) + ["U"]*(y+1) + ["L"] + ["U"] + ["L"]*(x+1) + ["D"]*(y+1) +["R"]
print("".join(l))

Buggy python submission (verdict: Runtime Error):
sx, sy, tx, ty = [int(x) for x in stdin().readline().rstrip().split()]
x = tx - sx
y = ty - sy
l = ["R"]*x + ["U"]*y + ["L"]*x + ["D"]*y + ["D"] + ["R"] * (x+1) + ["U"]*(y+1) + ["L"] + ["U"] + ["L"]*(x+1) + ["D"]*(y+1) +["R"]
print("".join(l))

Fixed submission:
sx, sy, tx, ty = [int(x) for x in input().split()]
x = tx - sx
y = ty - sy
l = ["R"]*x + ["U"]*y + ["L"]*x + ["D"]*y + ["D"] + ["R"] * (x+1) + ["U"]*(y+1) + ["L"] + ["U"] + ["L"]*(x+1) + ["D"]*(y+1) +["R"]
print("".join(l))
Buggy python submission (verdict: Runtime Error):
def main():
    n = input()
    print((n * (n + 1)) / 2)
if __name__ == '__main__':
    main()

Fixed submission:
def main():
    n = int(input())
    print(int((n * (n + 1)) / 2))
if __name__ == '__main__':
    main()
Buggy python submission (verdict: Runtime Error):
x = map(int, input().split())
x.sort()
if x[0] == 5 and x[1] == 5 and x[2]== 5:
  print("YES")
else:
  print("NO")

Fixed submission:
x = list(map(int, input().split()))
x.sort()
if x[0] == 5 and x[1] == 5 and x[2]== 7:
  print("YES")
else:
  print("NO")

Buggy python submission (verdict: Runtime Error):
x = map(int(), input().split())
x.sort()
if x[0] == 5 and x[1] == 5 and x[2]== 5:
  print("YES")
else:
  print("NO")

Fixed submission:
x = list(map(int, input().split()))
x.sort()
if x[0] == 5 and x[1] == 5 and x[2]== 7:
  print("YES")
else:
  print("NO")
Buggy python submission (verdict: Runtime Error):
N = int(raw_input())
list_input = sorted(map(int, raw_input().split()))
print(sum(list_input[::2]))

Fixed submission:
N = int(raw_input())
L = map(int,raw_input().split())
L.sort(reverse = True)
ans = 0
for i in xrange(N):
    ans += min(L[2*i],L[2*i+1])
print ans

Buggy python submission (verdict: Runtime Error):
N = int(raw_input())
list_input = map(int, raw_input().split())

list_input = sorted(list_input)
sums = 0
for i in range(0,2*N,2):
    print(i)
    sums += min(list_input[i],list_input[i+1])
print(sums)

Fixed submission:
N = int(raw_input())
L = map(int,raw_input().split())
L.sort(reverse = True)
ans = 0
for i in xrange(N):
    ans += min(L[2*i],L[2*i+1])
print ans

Buggy python submission (verdict: Runtime Error):
N = int(raw_input())
list_input = map(int, raw_input().split())

list_input = sorted(list_input)
sums = 0
for i in range(0,2*N,2):
    sums += min(list_input[i],list_input[i+1])

print(sums)


Fixed submission:
N = int(raw_input())
L = map(int,raw_input().split())
L.sort(reverse = True)
ans = 0
for i in xrange(N):
    ans += min(L[2*i],L[2*i+1])
print ans

Buggy python submission (verdict: Runtime Error):
N = int(input())
list_input = map(int, raw_input().split())

list_input = sorted(list_input)
sums = 0
for i in range(0,2*N,2):
    sums += min(list_input[i],list_input[i+1])

print(sums)


Fixed submission:
N = int(raw_input())
L = map(int,raw_input().split())
L.sort(reverse = True)
ans = 0
for i in xrange(N):
    ans += min(L[2*i],L[2*i+1])
print ans

Buggy python submission (verdict: Runtime Error):
N = input()
list_input = map(int, raw_input().split())

list_input = sorted(list_input)
sums = 0
for i in range(0,2*N,2):
    sums += min(list_input[i],list_input[i+1])

print(sums)

Fixed submission:
N = int(raw_input())
L = map(int,raw_input().split())
L.sort(reverse = True)
ans = 0
for i in xrange(N):
    ans += min(L[2*i],L[2*i+1])
print ans

Buggy python submission (verdict: Runtime Error):
N = input()
list_input = map(int, raw_input().split())

list_input = sorted(list_input)
sums = 0
for i in range(N,2*N):
    sums += list_input[i]

print(sums)

Fixed submission:
N = int(raw_input())
L = map(int,raw_input().split())
L.sort(reverse = True)
ans = 0
for i in xrange(N):
    ans += min(L[2*i],L[2*i+1])
print ans
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
# N = 3

items = []

for i in range(0, N) :
    newItem = str(input())
    # newItem = str("apple")
    # print(newItem)
    
    if newItem not in items :
        items.append(newItem)

print(len(items)) # don't forget print()!

Fixed submission:
N = int(input())
# N = 3

items = set()

for i in range(0, N) :
    items.add(str(input()))
    # items.add(str("apple"))
    # print(newItem)

print(len(items)) # don't forget print()!
Buggy python submission (verdict: Runtime Error):
data = list(map(int, input().split()))
# data = list(map(int, "41 2 5 6".split()))

N = data[0] # days of summer vacation
M = data[1] # summer assignments

A = 0 # days to do the i-th assignment.

for i in range(2, M+2) :
    # print(data[i])
    A += data[i]

if A <= N :
    print(N-A)
else :
    print(-1)

Fixed submission:
data = list(map(int, input().split()))
# data = list(map(int, "41 2".split()))

N = data[0] # days of summer vacation
M = data[1] # summer assignments

A = 0 # days to do the i-th assignment.

assignments = list(map(int, input().split()))
# assignments = list(map(int, "5 6".split()))

if sum(assignments) <= N :
    print(N-sum(assignments))
else :
    print(-1)

Buggy python submission (verdict: Runtime Error):
inputdata = list(map(input().split()))
# data = list(map(int, "41 2 5 6".split()))

N = data[0] # days of summer vacation
M = data[1] # summer assignments

A = 0 # days to do the i-th assignment.

for i in range(2, M+2) :
    # print(data[i])
    A += data[i]

if A <= N :
    print(N-A)
else :
    print(-1)

Fixed submission:
data = list(map(int, input().split()))
# data = list(map(int, "41 2".split()))

N = data[0] # days of summer vacation
M = data[1] # summer assignments

A = 0 # days to do the i-th assignment.

assignments = list(map(int, input().split()))
# assignments = list(map(int, "5 6".split()))

if sum(assignments) <= N :
    print(N-sum(assignments))
else :
    print(-1)
Buggy python submission (verdict: Runtime Error):
A,B = input().split()
 
if A > B:
  max = A + A - 1
  print(max)
elif B > A:
  max = B + B - 1
  print(max)
elif A == B:
  max = A + B
  print(max)

Fixed submission:
A,B = map(int,input().split())
 
if A > B:
  max = A + A - 1
  print(max)
elif B > A:
  max = B + B - 1
  print(max)
elif A == B:
  max = A + B
  print(max)

Buggy python submission (verdict: Runtime Error):
A = input()
B = input()
 
if A > B:
  max = A + A - 1
  print(max)
elif B > A:
  max = B + B - 1
  print(max)
elif A == B:
  max = A + B
  print(max)

Fixed submission:
A,B = map(int,input().split())
 
if A > B:
  max = A + A - 1
  print(max)
elif B > A:
  max = B + B - 1
  print(max)
elif A == B:
  max = A + B
  print(max)

Buggy python submission (verdict: Runtime Error):
A = int(input())
B = int(input())
 
if A > B:
  max = A + A - 1
  print(max)
elif B > A:
  max = B + B -1
  print(max)
elif A == B:
  max = A + B
  print(max)

Fixed submission:
A,B = map(int,input().split())
 
if A > B:
  max = A + A - 1
  print(max)
elif B > A:
  max = B + B - 1
  print(max)
elif A == B:
  max = A + B
  print(max)

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

if A > B:
  max = A + A
  print(max)
elif B > A:
  max = B + B
  print(max)
elif A = B:
  max = A + B
  print(max)

Fixed submission:
A,B = map(int,input().split())
 
if A > B:
  max = A + A - 1
  print(max)
elif B > A:
  max = B + B - 1
  print(max)
elif A == B:
  max = A + B
  print(max)
Buggy python submission (verdict: Runtime Error):
N,a,b=(int(x) for x in input().split())

n = 1
result_str = ""
while n <= N:
    result_str += "b"*a
    n += a
    result_str += "r"*b
    n+= b
    
print(result_str[:8].count("b"))

Fixed submission:
N,a,b=(int(x) for x in input().split())

num_char = (int(N /(a+b)))
num_joyo = (N %(a+b))
result = 0

if num_joyo <= a:
    result = num_char*a + (num_joyo)
else:
    result = num_char*a + a
    
print(result)
Buggy python submission (verdict: Runtime Error):
move_num = int(input())
input_char_str = input()

char_list  = [chr(i) for i in range(65, 65+26)]

ans_char = ""
move_number = move_num
for input_char in input_char_str:
    if (char_list.index(input_char)+move_number) < len(char_list):
        ans_char += char_list[char_list.index(input_char)+move_number]
    else:
        char_index = (char_list.index(input_char)+move_number) - len(char_list)
        ans_char += char_list[char_index]
        
print(ans_char)

Fixed submission:
input_day = input()

day_dict = {"SUN":7,
                 "MON":6,
                 "TUE":5,
                 "WED":4,
                 "THU":3,
                  "FRI":2,
                  "SAT":1}

print(day_dict[input_day])
Buggy python submission (verdict: Runtime Error):
L,R = [int(x) for x in input().split()]
 
min_ans = 10**18

if R-L>=2019:
  min_ans=0
else:
  for i in range(L,R):
      for j in range(i+1,R+1):
          ans = (i*j)%2019

          if ans < min_ans:
              min_ans = ans
          if min_ans == 0:
              break
print(min_ans)


Fixed submission:
input_arr = [int(x) for x in input().split()]

N = input_arr[0]
A = input_arr[1]
B = input_arr[2]

train = N*A
taxi = B

if train > taxi:
    print(taxi)
else:
    print(train)
Buggy python submission (verdict: Runtime Error):
num_input = int(input())
input_arr = [int(x) for x in input().split()]

max_input = max(input_arr)
count = 0
second_arr =[]
first_arr = []
sorted_arr = sorted(input_arr)
ans = sorted_arr[int(num_input/2)] - sorted_arr[int(num_input/2)-1]
print(ans)

Fixed submission:
def consunt():
    if input_.count(input_str_arr[0]) and input_.count(input_str_arr[1]):
      print("Yes")
    else:
      print("No")

input_ = input()

input_str = set(input_)

input_str_arr = [s for s in input_str]

if len(set(input_str_arr))==2:
    consunt()
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
input_ = input()

input_str = set(input_)

input_str_arr = [s for s in input_str]

if len(set(input_str_arr))==2:
    consunt()
else:
    print("No")
    

def consunt():
    if input_.count(input_str_arr[0]) and input_.count(input_str_arr[1]):
      print("Yes")
    else:
      print("No")

Fixed submission:
def consunt():
    if input_.count(input_str_arr[0]) and input_.count(input_str_arr[1]):
      print("Yes")
    else:
      print("No")

input_ = input()

input_str = set(input_)

input_str_arr = [s for s in input_str]

if len(set(input_str_arr))==2:
    consunt()
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
input_ = input()

input_str = set(input_)

input_str_arr = [s for s in input_str]

if input_.count(input_str_arr[0]) and input_.count(input_str_arr[1]):
  print("Yes")
else:
  print("No")


Fixed submission:
def consunt():
    if input_.count(input_str_arr[0]) and input_.count(input_str_arr[1]):
      print("Yes")
    else:
      print("No")

input_ = input()

input_str = set(input_)

input_str_arr = [s for s in input_str]

if len(set(input_str_arr))==2:
    consunt()
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
input_ = input()

input_str = set(input_)

input_str_arr = [s for s in input_str]

if input_.count(input_str_arr[0]) and input_.count(input_str_arr[1]):
  print("Yes")
else:
  print("No")


Fixed submission:
def consunt():
    if input_.count(input_str_arr[0]) and input_.count(input_str_arr[1]):
      print("Yes")
    else:
      print("No")

input_ = input()

input_str = set(input_)

input_str_arr = [s for s in input_str]

if len(set(input_str_arr))==2:
    consunt()
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
input_ = input()

input_str = set(input_)

input_str_arr = [s for s in input_str]

if input_.count(inpute_str_arr[0]) and input_.count(inpute_str_arr[0]):
  print("Yes")
else:
  print("No")


Fixed submission:
def consunt():
    if input_.count(input_str_arr[0]) and input_.count(input_str_arr[1]):
      print("Yes")
    else:
      print("No")

input_ = input()

input_str = set(input_)

input_str_arr = [s for s in input_str]

if len(set(input_str_arr))==2:
    consunt()
else:
    print("No")
Buggy python submission (verdict: Time Limit Exceeded):
num_input = int(input())
input_arr = [int(x) for x in input().split()]

max_input = max(input_arr)
count = 0

for input_ in range(max_input):
    first_arr = [s for s in input_arr if input_ < s]
    second_arr = [s for s in input_arr if input_ >= s]
    if len(first_arr) == len(second_arr):
        count = count + 1
print(count)

Fixed submission:
num_input = int(input())
input_arr = [int(x) for x in input().split()]

max_input = max(input_arr)
count = 0
second_arr =[]
first_arr = []
sorted_arr = sorted(input_arr)
ans = sorted_arr[int(num_input/2)] - sorted_arr[int(num_input/2)-1]
print(ans)
Buggy python submission (verdict: Runtime Error):
input_num = int(input())
input_color = input()
r_num = 0
b_num = 0
for color in input_color:
    if color == "R":
        r_num += 1
    if color == "B":
        b_num += 1
if r_num > b_num:
    print("Yes")
else:
    print("No")

Fixed submission:
input_number = input().rstrip().split(' ')
if (input_number[0] == input_number[1])and (input_number[1] == input_number[2]):
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Runtime Error):
A=list(map(int,input().split()))
pop = int(1/(4*M)*sum(A))
lis = []
for i in A:
    if i>=pop:
        lis.append(i)
if len(lis)>=M:
    print("Yes")
else:
    print("No")

Fixed submission:
N,M=map(int,input().split())
A=list(map(int,input().split()))
pop = 1/(4*M)*sum(A)
lis = []
for i in A:
    if i>=pop:
        lis.append(i)
if len(lis)>=M:
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
A=list(map(int,input().split()))
pop = 1/(4*M)*sum(A)
lis = []
for i in A:
    if i>pop:
        lis.append(i)
if len(lis)>=M:
    print("Yes")
else:
    print("No")

Fixed submission:
N,M=map(int,input().split())
A=list(map(int,input().split()))
pop = 1/(4*M)*sum(A)
lis = []
for i in A:
    if i>=pop:
        lis.append(i)
if len(lis)>=M:
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
A=list(map(int,input().split()))
pop = 1/(4*M)*sum(A)
lis = []

for i in A:
    if i>pop:
        lis.append(i)
if len(lis)>=M:
    print("Yes")
else:
    print("No")

Fixed submission:
N,M=map(int,input().split())
A=list(map(int,input().split()))
pop = 1/(4*M)*sum(A)
lis = []
for i in A:
    if i>=pop:
        lis.append(i)
if len(lis)>=M:
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Time Limit Exceeded):
l = list(map(int, input().split()))
a =l[0]
b =l[1]
k =l[2]

for i in range(k):
    if(a > 0):
        a = a-1
    elif(b >0):
        b = b-1
print(str(a) + " " +str(b))

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

t = a - k
if (t < 0):
    a = 0
    u = b + t
    if(u < 0):
        b = 0
    else:
        b = u
else:
    a = t

print(str(a) + " " +str(b))
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
cnt=0
l=[]
for i in range(n):
  a=input()
  if a not in l:
    l.append(a)
    cnt+=1
print(cnt)

Fixed submission:
n=int(input())
cnt=0
l=[]
for i in range(n):
  a=input()
  l.append(a)
b=set(l)
print(len(b))
Buggy python submission (verdict: Runtime Error):
s, w = 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: Runtime Error):
from collection import counter

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

c = counter(a)

for _ in c:
  print(_)

Fixed submission:
from collections import Counter
 
n = int(input())
a = list(map(int, input().split()))
 
c = Counter(a)
 
for _ in range(1, n+1):
  print(c[_])

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

alist = list(map(int, input().split()))
for _ in range(n):
  print(sum(1 for x in alist if x==_+1))

Fixed submission:
from collections import Counter
 
n = int(input())
a = list(map(int, input().split()))
 
c = Counter(a)
 
for _ in range(1, n+1):
  print(c[_])
Buggy python submission (verdict: Runtime Error):
n, k = map(int, input().split())
if n >= k:
  print(n%k)
 
else:
  print(min(n, abs(k-n)))

Fixed submission:
a, b, c = map(int, input().split())
print(c, a, b)

Buggy python submission (verdict: Runtime Error):
n, m = map(int, input().split())
a = sorted(list(map(int, input().split())), reverse=True)
num = int(sum(a)/(4*m))
if a[m-1] < num:
  print('No')
else:
  print('Yes')

Fixed submission:
a, b, c = map(int, input().split())
print(c, a, b)
Buggy python submission (verdict: Runtime Error):
n, x, y = map(int, input().split())

klist = [0]*(n)
for i in range(1, n):
  for j in range(i+1, n+1):
    k = min(j-i, abs(j-y)+1+abs(x-i))
    klist[k] += 1

for _ in range(1, n):
  print(klist[_])

Fixed submission:
s = input()
if s[2] == s[3] and s[4] == s[5]:
  print('Yes')
else:
  print('No')
Buggy python submission (verdict: Runtime Error):
N, K = map(int, input().split())
[*h] = map(int, input().split())
dp = [float('inf') for _ in range(N)]
dp[0] = 0
for i in range(N):
    dp[i] = min(dp[i], dp[i-j]+abs(h[i]-h[i-j]) for j in range(1, min(i, K)+1))
 
print(dp[N-1])

Fixed submission:
N = int(input())
[*h] = map(int, input().split())
dp = [float('inf') for _ in range(N)]
dp[0] = 0
dp[1] = abs(h[0]-h[1])
for i in range(2, N):
    dp[i] = dp[i-1]+abs(h[i]-h[i-1])
    dp[i] = min(dp[i], dp[i-2]+abs(h[i]-h[i-2]))

print(dp[N-1])
Buggy python submission (verdict: Time Limit Exceeded):
N, K = map(int, input().split())
[*h] = map(int, input().split())
dp = [float('inf') for _ in range(N)]
dp[0] = 0
for i in range(1, N):
    dp[i] = min([dp[i-j]+abs(h[i]-h[i-j]) for j in range(1, min(i, K)+1)])
print(dp[N-1])

Fixed submission:
import numpy as np
N, K = map(int, input().split())
h = np.array(list(map(int, input().split())))
dp = np.zeros(N, dtype=int)
for i in range(1, N):
  j = max(0, i-K)
  dp[i] = np.min(dp[j:i]+np.abs(h[i]-h[j:i]))
                 
print(dp[N-1])

Buggy python submission (verdict: Runtime Error):
N, K = map(int, input().split())
[*h] = map(int, input().split())
dp = [float('inf') for _ in range(N)]
dp[0] = 0
for i in range(N):
    dp[i] = min(dp[i], dp[i-j]+abs(h[i]-h[i-j]) for j in range(1, min(i, K)+1))
 
print(dp[N-1])

Fixed submission:
import numpy as np
N, K = map(int, input().split())
h = np.array(list(map(int, input().split())))
dp = np.zeros(N, dtype=int)
for i in range(1, N):
  j = max(0, i-K)
  dp[i] = np.min(dp[j:i]+np.abs(h[i]-h[j:i]))
                 
print(dp[N-1])

Buggy python submission (verdict: Time Limit Exceeded):
N, K = map(int, input().split())
[*h] = map(int, input().split())
dp = [float('inf') for _ in range(N)]
dp[0] = 0
for i in range(N):
  for j in range(1, min(i, K)+1):
    dp[i] = min(dp[i], dp[i-j]+abs(h[i]-h[i-j]))

print(dp[N-1])

Fixed submission:
import numpy as np
N, K = map(int, input().split())
h = np.array(list(map(int, input().split())))
dp = np.zeros(N, dtype=int)
for i in range(1, N):
  j = max(0, i-K)
  dp[i] = np.min(dp[j:i]+np.abs(h[i]-h[j:i]))
                 
print(dp[N-1])
Buggy python submission (verdict: Runtime Error):
s = input()
l = len(s)

"""
def check_kaibun(kaibun):
    n = len(kaibun)
    middle = n // 2
    count = 0
    print("s[i]:{}".format(kaibun))
    for i in range(middle):
        if kaibun[i] == kaibun[n - i]:
            count += 1
        else:
            count = 0
            break
    if count == middle:
        return True
    else: 
        return False
"""

left_center = (l-2) // 2
right_center = (l+2) // 2

for i in range(left_center // 2):
    if s[i] != s[left_center - i]:
        print("No")
        break
else:
    for i in range(len(s[right_center:]) // 2):
        if s[right_center + i] != s[l - i - 1]:
            print("No")
            break
    else:
        right = True
"""
check1 = check_kaibun(s[:left_center])
check2 = check_kaibun(s[right_center:])
"""
if right == True: 
    print("Yes")


Fixed submission:
s = input()
l = len(s)


def check_kaibun(kaibun):
    n = len(kaibun)
    middle = n // 2
    count = 0
    for i in range(middle):
        if kaibun[i] == kaibun[n - i - 1]:
            count += 1
        else:
            count = 0
            break
    if count == middle:
        return True
    else: 
        return False


left_center = (l-2) // 2
right_center = (l+2) // 2

check0 = check_kaibun(s)
check1 = check_kaibun(s[:left_center + 1])
check2 = check_kaibun(s[right_center:])

if (check0 == True) and (check1 == True) and (check2 == True): 
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Runtime Error):
s, w = map(int, input())
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: Runtime Error):
n, m = map(int, input().split())
a = input().split() 

a = sum(int(i) for i in a)

asobi = n -a
if asobi => 0:
  print(asobi)
else:
  print(-1)

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

a = sum(int(i) for i in a)

asobi = n -a
if asobi >= 0:
  print(asobi)
else:
  print(-1)
Buggy python submission (verdict: Runtime Error):
a, b = map(int, input().split())

print(max(a+b, a-b, a*b)

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

print(max([a+b, a-b, a*b]))
Buggy python submission (verdict: Runtime Error):
a, b, c = map(int(), input().split())

diff = a - b - c

if diff => 0:
  print(0)
else:
  print(-diff)

Fixed submission:
a, b, c = map(int, input().split())

diff = a - b - c

if diff >= 0:
  print(0)
else:
  print(-diff)
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-
a, b = map(int, input().split())

k = a+b
if k%2==0:
  return k/2
else:
  return 'IMPOSSIBLE'
      


Fixed submission:
# -*- coding: utf-8 -*-
a, b = map(int, input().split())
 
k = a+b
if k%2==0:
  print(k//2)
else:
  print('IMPOSSIBLE')

Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-
a, b = map(int, input().split())

k = a+b
if k%2==0:
  return k/2
else:
  print('IMPOSSIBLE')
      


Fixed submission:
# -*- coding: utf-8 -*-
a, b = map(int, input().split())
 
k = a+b
if k%2==0:
  print(k//2)
else:
  print('IMPOSSIBLE')
Buggy python submission (verdict: Runtime Error):
a, b = map(int, input().split())

sorted_b = [i+1 for i in range(a)]

diff = [x-y for (x,y) in zip(sorted_b, b)]

if len([i for i in diff if i == 0]) == 2:
  print('YES')
else:
  print('NO')

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

sorted_b = [i+1 for i in range(a)]

diff = [x-y for (x,y) in zip(sorted_b, b)]

if len([i for i in diff if i != 0]) <= 2:
  print('YES')
else:
  print('NO')