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 Java8 (OpenJDK 1.8.0) (judge verdict: Wrong Answer)

import java.util.Scanner;
class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    StringBuilder sb = new StringBuilder(sc.next());
    for(int i=0; i<sb.length(); i++){
    	sb.replace(i, sb.length(), "x");
    }
    System.out.println(sb.toString());
  }
}