import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		String s;
		int lengh;

		s = scanner.next();

		lengh = s.length();

		String ans = "";

		for (int i = 0; i < lengh; i++) {
			ans += "x";
		}

		System.out.println(ans);

	}

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

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		String s;
		int lengh;

		s = scanner.next();

		lengh = s.length();

		String ans = "";

		for (int i = 0; i < lengh; i++) {
			ans += "x";
		}

		System.out.println(ans);

	}

} Main public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		String s;
		int lengh;

		s = scanner.next();

		lengh = s.length();

		String ans = "";

		for (int i = 0; i < lengh; i++) {
			ans += "x";
		}

		System.out.println(ans);

	} main {
		Scanner scanner = new Scanner(System.in);
		String s;
		int lengh;

		s = scanner.next();

		lengh = s.length();

		String ans = "";

		for (int i = 0; i < lengh; i++) {
			ans += "x";
		}

		System.out.println(ans);

	} Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String s; s int lengh; lengh s = scanner.next() s scanner.next() scanner.next scanner lengh = s.length() lengh s.length() s.length s String ans = ""; ans "" for (int i = 0; i < lengh; i++) {
			ans += "x";
		} int i = 0; int i = 0; i 0 i < lengh i lengh i++ i++ i {
			ans += "x";
		} {
			ans += "x";
		} ans += "x" ans "x" System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		String s;
		int lengh;

		s = scanner.next();

		lengh = s.length();

		String ans = "";

		for (int i = 0; i < lengh; i++) {
			ans += "x";
		}

		System.out.println(ans);

	}

} public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		String s;
		int lengh;

		s = scanner.next();

		lengh = s.length();

		String ans = "";

		for (int i = 0; i < lengh; i++) {
			ans += "x";
		}

		System.out.println(ans);

	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		String s;
		int lengh;

		s = scanner.next();

		lengh = s.length();

		String ans = "";

		for (int i = 0; i < lengh; i++) {
			ans += "x";
		}

		System.out.println(ans);

	}

}