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 Rust (1.42.0) (judge verdict: Accepted)

use text_io::*;
use std::collections::*;
use std::process::exit;

fn main() {
    let mut a:String = read!();
    let mut v:Vec<char> = a.chars().collect();
    for i in 0..v.len() {
        v[i] = 'x';
    }
    let k:String = v.into_iter().collect();
    println!("{}",k);
}