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 JavaScript (node.js v5.12) (judge verdict: Accepted)

process.stdin.resume();
process.stdin.setEncoding("utf8");
var lines = [];
var reader = require("readline").createInterface({
	input: process.stdin,
	output: process.stdout
});
reader.on("line", (line) => {
	lines.push(line);
});
reader.on("close", () => {
	var s = lines[0], n=[];
	for(var i=0;i<s.length;i++){
		n.push("x");
	}
	console.log(n.join(""));
});