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 9.2.1) (judge verdict: Wrong Answer)

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define ll long long
#define fr(i,n,m) for(ll i=n;i<m;i++)
int main()
{
    char s[100];
    scanf("%s",s);
    size_t len = strlen(s);
    ll true = (ll)len;
    char t[true];
    fr(i,0,true){
        t[i]='x';
    }
    printf("%s",t);
    return 0;
}