import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String a = sc.next();
		int length = a.length();
		a=a.replaceAll(".", "x");
		

		System.out.println(a);

	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String a = sc.next();
		int length = a.length();
		a=a.replaceAll(".", "x");
		

		System.out.println(a);

	}
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String a = sc.next();
		int length = a.length();
		a=a.replaceAll(".", "x");
		

		System.out.println(a);

	} main {
		Scanner sc = new Scanner(System.in);
		String a = sc.next();
		int length = a.length();
		a=a.replaceAll(".", "x");
		

		System.out.println(a);

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String a = sc.next(); a sc.next() sc.next sc int length = a.length(); length a.length() a.length a a=a.replaceAll(".", "x") a a.replaceAll(".", "x") a.replaceAll a "." "x" System.out.println(a) System.out.println System.out System System.out a String[] args args public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String a = sc.next();
		int length = a.length();
		a=a.replaceAll(".", "x");
		

		System.out.println(a);

	}
} public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String a = sc.next();
		int length = a.length();
		a=a.replaceAll(".", "x");
		

		System.out.println(a);

	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String a = sc.next();
		int length = a.length();
		a=a.replaceAll(".", "x");
		

		System.out.println(a);

	}
}