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 C (GCC 5.4.1) (judge verdict: Accepted)

#include <stdio.h>

int main(void){

  char s[101];
  int end;
  for (int i = 0; i < 101; i++) {
    scanf("%c", &s[i]);
    if (s[i] < 'a' || s[i] > 'z') {
      end = i;
      break;
    }
    s[i] = 'x';
  }

  for (int i = 0; i < end; i++) {
    printf("%c", s[i]);
  }
  printf("\n");

  return 0;
}