#!/usr/bin/env python3
import sys

read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines


def main():
    S = readline().rstrip().decode()
    print('x' * len(S))


if __name__ == '__main__':
    main() import sys sys read = sys.stdin.buffer.read read sys.stdin.buffer.read sys.stdin.buffer sys.stdin sys stdin buffer read readline = sys.stdin.buffer.readline readline sys.stdin.buffer.readline sys.stdin.buffer sys.stdin sys stdin buffer readline readlines = sys.stdin.buffer.readlines readlines sys.stdin.buffer.readlines sys.stdin.buffer sys.stdin sys stdin buffer readlines def main():
    S = readline().rstrip().decode()
    print('x' * len(S)) main S = readline().rstrip().decode() S readline().rstrip().decode() ().rstrip().decode ().rstrip() ().rstrip () readline rstrip decode print('x' * len(S)) print 'x' * len(S) 'x' len(S) len S if __name__ == '__main__':
    main() __name__ == '__main__' __name__ '__main__' main() main readline = sys.stdin.buffer.readline sys.stdin.buffer.readline readline read = sys.stdin.buffer.read sys.stdin.buffer.read read readlines = sys.stdin.buffer.readlines sys.stdin.buffer.readlines readlines def main():
    S = readline().rstrip().decode()
    print('x' * len(S)) def main():
    S = readline().rstrip().decode()
    print('x' * len(S)) main
#!/usr/bin/env python3
import sys

read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines


def main():
    S = readline().rstrip().decode()
    print('x' * len(S))


if __name__ == '__main__':
    main()
