

s = eval(input())

print(("x"*len(s)))
from sys import stdin



def ans(aa):

    return "x" * len(aa[0])



s = list(map(str, stdin.readline().rstrip().split(" ")))

# n = len(s[0])

# print(s)

# print("x" * n)

print((ans(s)))
s = eval(input())
print(("x" * len(s)))

from sys import stdin


def ans(aa):
    return "x" * len(aa[0])


s = list(map(str, stdin.readline().rstrip().split(" ")))
# n = len(s[0])
# print(s)
# print("x" * n)
print((ans(s)))

-s = eval(input()) -print(("x" * len(s))) +from sys import stdin + + +def ans(aa): +    return "x" * len(aa[0]) + + +s = list(map(str, stdin.readline().rstrip().split(" "))) +# n = len(s[0]) +# print(s) +# print("x" * n) +print((ans(s)))