#!/usr/bin/env python3
import collections as cl
import sys


def II():
    return int(sys.stdin.readline())


def MI():
    return map(int, sys.stdin.readline().split())


def LI():
    return list(map(int, sys.stdin.readline().split()))


def main():
    s = input()
    for i in range(len(s)):
        print("x", end="")


main() import collections as cl collections import sys sys def II():
    return int(sys.stdin.readline()) II return int(sys.stdin.readline()) int(sys.stdin.readline()) int sys.stdin.readline() sys.stdin.readline sys.stdin sys stdin readline def MI():
    return map(int, sys.stdin.readline().split()) MI return map(int, sys.stdin.readline().split()) map(int, sys.stdin.readline().split()) map int sys.stdin.readline().split() sys.stdin.readline().split sys.stdin.readline() sys.stdin.readline sys.stdin sys stdin readline split def LI():
    return list(map(int, sys.stdin.readline().split())) LI return list(map(int, sys.stdin.readline().split())) list(map(int, sys.stdin.readline().split())) list map(int, sys.stdin.readline().split()) map int sys.stdin.readline().split() sys.stdin.readline().split sys.stdin.readline() sys.stdin.readline sys.stdin sys stdin readline split def main():
    s = input()
    for i in range(len(s)):
        print("x", end="") main s = input() s input() input for i in range(len(s)):
        print("x", end="") i range(len(s)) range len(s) len s print("x", end="") print "x" end="" end "" main() main def LI():
    return list(map(int, sys.stdin.readline().split())) def LI():
    return list(map(int, sys.stdin.readline().split())) LI def main():
    s = input()
    for i in range(len(s)):
        print("x", end="") def main():
    s = input()
    for i in range(len(s)):
        print("x", end="") main def MI():
    return map(int, sys.stdin.readline().split()) def MI():
    return map(int, sys.stdin.readline().split()) MI def II():
    return int(sys.stdin.readline()) def II():
    return int(sys.stdin.readline()) II
#!/usr/bin/env python3
import collections as cl
import sys


def II():
    return int(sys.stdin.readline())


def MI():
    return map(int, sys.stdin.readline().split())


def LI():
    return list(map(int, sys.stdin.readline().split()))


def main():
    s = input()
    for i in range(len(s)):
        print("x", end="")


main()
