Problem:
Score : 200 points

Problem Statement

Given is a string S. Replace every character in S with x and print the result.

Constraints

S is a string consisting of lowercase English letters.

The length of S is between 1 and 100 (inclusive).

Input

Input is given from Standard Input in the following format:

S

Output

Replace every character in S with x and print the result.

Sample Input 1

sardine

Sample Output 1

xxxxxxx

Replacing every character in S with x results in xxxxxxx.

Sample Input 2

xxxx

Sample Output 2

xxxx

Sample Input 3

gone

Sample Output 3

xxxx

Solution in Python (3.4.3) (judge verdict: Accepted)

# python3
# -*- coding: utf-8 -*-
import sys
import math
#from math import gcd
from itertools import count, permutations
from functools import lru_cache
from collections import deque, defaultdict
from pprint import pprint

INF = float('inf')

ii = lambda: int(input())
mis = lambda: map(int, input().split())
lmis = lambda: list(mis())
sys.setrecursionlimit(1000000000)


def lcm(a, b):
    return (a * b) // gcd(a, b)


# main
S = input()
print('x' * len(S))