# B - I miss you...

# S
S = input()
answer = '0'
for i in range(0, len(S)):
    answer += 'x'

print(answer[1:len(S) + 1]) S = input() S input() input answer = '0' answer '0' for i in range(0, len(S)):
    answer += 'x' i range(0, len(S)) range 0 len(S) len S answer += 'x' answer 'x' print(answer[1:len(S) + 1]) print answer[1:len(S) + 1] answer 1:len(S) + 1 1 len(S) + 1 len(S) len S 1 answer = '0' '0' answer answer += 'x' 'x' answer S = input() input() S
# B - I miss you...

# S
S = input()
answer = '0'
for i in range(0, len(S)):
    answer += 'x'

print(answer[1:len(S) + 1])
