import java.util.Scanner;

public class Main
{
	public static void main(String[] args)
	{
		double[] d = new double[50];

		Scanner scan = new Scanner(System.in);
		String str = scan.nextLine();

		int n = str.length();

		String ans = "";
		for (int i=0; i<n; i++) {
			ans = ans + "x";
		}
		System.out.println(ans);
	}
} import java.util.Scanner; Scanner java.util public class Main
{
	public static void main(String[] args)
	{
		double[] d = new double[50];

		Scanner scan = new Scanner(System.in);
		String str = scan.nextLine();

		int n = str.length();

		String ans = "";
		for (int i=0; i<n; i++) {
			ans = ans + "x";
		}
		System.out.println(ans);
	}
} Main public static void main(String[] args)
	{
		double[] d = new double[50];

		Scanner scan = new Scanner(System.in);
		String str = scan.nextLine();

		int n = str.length();

		String ans = "";
		for (int i=0; i<n; i++) {
			ans = ans + "x";
		}
		System.out.println(ans);
	} main {
		double[] d = new double[50];

		Scanner scan = new Scanner(System.in);
		String str = scan.nextLine();

		int n = str.length();

		String ans = "";
		for (int i=0; i<n; i++) {
			ans = ans + "x";
		}
		System.out.println(ans);
	} double[] d = new double[50]; d new double[50] 50 Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String str = scan.nextLine(); str scan.nextLine() scan.nextLine scan int n = str.length(); n str.length() str.length str String ans = ""; ans "" for (int i=0; i<n; i++) {
			ans = ans + "x";
		} int i=0; int i=0; i 0 i<n i n i++ i++ i {
			ans = ans + "x";
		} {
			ans = ans + "x";
		} ans = ans + "x" ans 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)
	{
		double[] d = new double[50];

		Scanner scan = new Scanner(System.in);
		String str = scan.nextLine();

		int n = str.length();

		String ans = "";
		for (int i=0; i<n; i++) {
			ans = ans + "x";
		}
		System.out.println(ans);
	}
} public class Main
{
	public static void main(String[] args)
	{
		double[] d = new double[50];

		Scanner scan = new Scanner(System.in);
		String str = scan.nextLine();

		int n = str.length();

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

public class Main
{
	public static void main(String[] args)
	{
		double[] d = new double[50];

		Scanner scan = new Scanner(System.in);
		String str = scan.nextLine();

		int n = str.length();

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