import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String s = scanner.nextLine();
		String[] ss = new String[s.length()];
		ss = s.split("");
		String result = "";
		for(String f : ss){
			result+="x";
		}
		System.out.println(result);
	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String s = scanner.nextLine();
		String[] ss = new String[s.length()];
		ss = s.split("");
		String result = "";
		for(String f : ss){
			result+="x";
		}
		System.out.println(result);
	}

} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String s = scanner.nextLine();
		String[] ss = new String[s.length()];
		ss = s.split("");
		String result = "";
		for(String f : ss){
			result+="x";
		}
		System.out.println(result);
	} main {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String s = scanner.nextLine();
		String[] ss = new String[s.length()];
		ss = s.split("");
		String result = "";
		for(String f : ss){
			result+="x";
		}
		System.out.println(result);
	} Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String s = scanner.nextLine(); s scanner.nextLine() scanner.nextLine scanner String[] ss = new String[s.length()]; ss new String[s.length()] s.length() s.length s ss = s.split("") ss s.split("") s.split s "" String result = ""; result "" for(String f : ss){
			result+="x";
		} String f ss {
			result+="x";
		} {
			result+="x";
		} result+="x" result "x" System.out.println(result) System.out.println System.out System System.out result String[] args args public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String s = scanner.nextLine();
		String[] ss = new String[s.length()];
		ss = s.split("");
		String result = "";
		for(String f : ss){
			result+="x";
		}
		System.out.println(result);
	}

} public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String s = scanner.nextLine();
		String[] ss = new String[s.length()];
		ss = s.split("");
		String result = "";
		for(String f : ss){
			result+="x";
		}
		System.out.println(result);
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String s = scanner.nextLine();
		String[] ss = new String[s.length()];
		ss = s.split("");
		String result = "";
		for(String f : ss){
			result+="x";
		}
		System.out.println(result);
	}

}
