import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int l = s.length();
		String ans = "";

        for (int i = 0; i < l; i++) {
        	ans += "x";
        }
        System.out.println(ans);
		}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int l = s.length();
		String ans = "";

        for (int i = 0; i < l; i++) {
        	ans += "x";
        }
        System.out.println(ans);
		}
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int l = s.length();
		String ans = "";

        for (int i = 0; i < l; i++) {
        	ans += "x";
        }
        System.out.println(ans);
		} main {
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int l = s.length();
		String ans = "";

        for (int i = 0; i < l; i++) {
        	ans += "x";
        }
        System.out.println(ans);
		} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.nextLine(); s sc.nextLine() sc.nextLine sc int l = s.length(); l s.length() s.length s String ans = ""; ans "" for (int i = 0; i < l; i++) {
        	ans += "x";
        } int i = 0; int i = 0; i 0 i < l i l 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 sc = new Scanner(System.in);
		String s = sc.nextLine();
		int l = s.length();
		String ans = "";

        for (int i = 0; i < l; i++) {
        	ans += "x";
        }
        System.out.println(ans);
		}
} public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int l = s.length();
		String ans = "";

        for (int i = 0; i < l; i++) {
        	ans += "x";
        }
        System.out.println(ans);
		}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int l = s.length();
		String ans = "";

        for (int i = 0; i < l; i++) {
        	ans += "x";
        }
        System.out.println(ans);
		}
}