Buggy python submission (verdict: Runtime Error):
N,K,M = input().split()
N = int(N)
K = int(K)
M = int(M)

A = input().split()
A = [int(s) for s in A]

AN = M * N - sum(A)

if (AN <= K) and (AN >= 0):
	print (AN)
else:
	print (-1)

Fixed submission:
a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
C = input()
if (C != 'z') and (C in a):
	i = a.index(C)
	print (a[i+1])

Buggy python submission (verdict: Runtime Error):
N,K,M = input().split()
N = int(N)
K = int(K)
M = int(M)

A = input().split()
A = [int(s) for s in A]

AN = M * N - sum(A)

if (AN <= K) and (AN >= 0):
	print (AN)
elif AN < 0:
	print (0)
else:
	print (-1)

Fixed submission:
a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
C = input()
if (C != 'z') and (C in a):
	i = a.index(C)
	print (a[i+1])

Buggy python submission (verdict: Runtime Error):
N,K,M = input().split()
N = int(N)
K = int(K)
M = int(M)
print(N)
A = input().split()
print(A)
A = [int(s) for s in A]
print(A)
AN = M * N - sum(A)
print (AN)
if (AN <= K) and (AN >= 0):
	print (AN)
elif AN < 0:
	print (0)
else:
	print (-1)

Fixed submission:
a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
C = input()
if (C != 'z') and (C in a):
	i = a.index(C)
	print (a[i+1])

Buggy python submission (verdict: Runtime Error):
N,K,M = input().split()
N = int(N)
K = int(K)
M = int(M)
A = input().split()
A = [int(s) for s in A]
AN = M * N - sum(A)
if AN <= K:
	print (AN)
else:
	print ('-1')


Fixed submission:
a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
C = input()
if (C != 'z') and (C in a):
	i = a.index(C)
	print (a[i+1])

Buggy python submission (verdict: Runtime Error):
N,K,M = input().split()
N = int(N)
K = int(K)
M = int(M)
A = input().split()
A = [int(s) for s in A]
AN = M * N - sum(A)
if (AN <= K) and (AN >= 0):
	print (AN)
else:
	print ('-1')

Fixed submission:
a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
C = input()
if (C != 'z') and (C in a):
	i = a.index(C)
	print (a[i+1])

Buggy python submission (verdict: Runtime Error):
N,K,M = input().split()
N = int(N)
K = int(K)
M = int(M)
A = input().split()
A = [int(s) for s in A]
AN = M * N - sum(A)
if (AN <= K) and (AN >= 0):
	print (AN)
else:
	print (-1)

Fixed submission:
a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
C = input()
if (C != 'z') and (C in a):
	i = a.index(C)
	print (a[i+1])

Buggy python submission (verdict: Runtime Error):
N,K,M = input().split()
N = int(N)
K = int(K)
M = int(M)
A = input().split()
A = [int(s) for s in A]
AN = M * N - sum(A)
if (AN <= K) and (AN >= 0):
	print (AN)
elif AN < 0:
	print (0)
else:
	print (-1)

Fixed submission:
a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
C = input()
if (C != 'z') and (C in a):
	i = a.index(C)
	print (a[i+1])

Buggy python submission (verdict: Runtime Error):
N,K,M = input().split()
N = int(N)
K = int(K)
M = int(N)
print(N)
A = input().split()
print(A)
A = [int(s) for s in A]
print(A)
AN = M * N - sum(A)
if (AN <= K) and (AN >= 0):
	print (AN)
elif AN < 0:
	print (0)
else:
	print ('-1')

Fixed submission:
a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
C = input()
if (C != 'z') and (C in a):
	i = a.index(C)
	print (a[i+1])

Buggy python submission (verdict: Runtime Error):
N,K,M = input().split()
N = int(N)
K = int(K)
M = int(N)
A = input().split()
A = [int(s) for s in A]
AN = M * N - sum(A)
if (AN <= K) and (AN >= 0):
	print (AN)
elif AN < 0:
	print (0)
else:
	print (-1)

Fixed submission:
a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
C = input()
if (C != 'z') and (C in a):
	i = a.index(C)
	print (a[i+1])

Buggy python submission (verdict: Runtime Error):
N,K,M = input().split()
N = int(N)
K = int(K)
M = int(N)
A = input().split()
A = [int(s) for s in A]
AN = M * N - sum(A)
if (AN <= K) and (AN >= 0):
	print (AN)
else:
	print ('-1')

Fixed submission:
a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
C = input()
if (C != 'z') and (C in a):
	i = a.index(C)
	print (a[i+1])

Buggy python submission (verdict: Runtime Error):
N,K,M = input().split()
N = int(N)
K = int(K)
M = int(N)
# print(N)
A = input().split()
# print(A)
A = [int(s) for s in A]
# print(A)
AN = M * N - sum(A)
if (AN <= K) and (AN >= 0):
	print (AN)
else:
	print ('-1')

Fixed submission:
a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
C = input()
if (C != 'z') and (C in a):
	i = a.index(C)
	print (a[i+1])