/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
public class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner scan = new Scanner(System.in);
		String a = scan.next();
		int n = a.length();
		String ans = "";
		for(int i=0;i<n;i++){
			ans += "x";
		}
		System.out.println(ans);
		// your code goes here
	}
} import java.util.*; util.* java import java.lang.*; lang.* java import java.io.*; io.* java public class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner scan = new Scanner(System.in);
		String a = scan.next();
		int n = a.length();
		String ans = "";
		for(int i=0;i<n;i++){
			ans += "x";
		}
		System.out.println(ans);
		// your code goes here
	}
} Main public static void main (String[] args) throws java.lang.Exception
	{
		Scanner scan = new Scanner(System.in);
		String a = scan.next();
		int n = a.length();
		String ans = "";
		for(int i=0;i<n;i++){
			ans += "x";
		}
		System.out.println(ans);
		// your code goes here
	} main {
		Scanner scan = new Scanner(System.in);
		String a = scan.next();
		int n = a.length();
		String ans = "";
		for(int i=0;i<n;i++){
			ans += "x";
		}
		System.out.println(ans);
		// your code goes here
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String a = scan.next(); a scan.next() scan.next scan int n = a.length(); n a.length() a.length a String ans = ""; ans "" for(int i=0;i<n;i++){
			ans += "x";
		} int i=0; int i=0; i 0 i<n i n 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) throws java.lang.Exception
	{
		Scanner scan = new Scanner(System.in);
		String a = scan.next();
		int n = a.length();
		String ans = "";
		for(int i=0;i<n;i++){
			ans += "x";
		}
		System.out.println(ans);
		// your code goes here
	}
} public class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner scan = new Scanner(System.in);
		String a = scan.next();
		int n = a.length();
		String ans = "";
		for(int i=0;i<n;i++){
			ans += "x";
		}
		System.out.println(ans);
		// your code goes here
	}
} Main
/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
public class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner scan = new Scanner(System.in);
		String a = scan.next();
		int n = a.length();
		String ans = "";
		for(int i=0;i<n;i++){
			ans += "x";
		}
		System.out.println(ans);
		// your code goes here
	}
}