import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		int Length=S.length();
      	char tmp[];
      	tmp =new char[Length];
      	for(int i=0 ;i<Length;i++)
        {
          	tmp[i]='x';
        }
      	System.out.println(tmp);
	}
} import java.util.*; util.* java public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		int Length=S.length();
      	char tmp[];
      	tmp =new char[Length];
      	for(int i=0 ;i<Length;i++)
        {
          	tmp[i]='x';
        }
      	System.out.println(tmp);
	}
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		int Length=S.length();
      	char tmp[];
      	tmp =new char[Length];
      	for(int i=0 ;i<Length;i++)
        {
          	tmp[i]='x';
        }
      	System.out.println(tmp);
	} main {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		int Length=S.length();
      	char tmp[];
      	tmp =new char[Length];
      	for(int i=0 ;i<Length;i++)
        {
          	tmp[i]='x';
        }
      	System.out.println(tmp);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String S = sc.next(); S sc.next() sc.next sc int Length=S.length(); Length S.length() S.length S char tmp[]; tmp tmp =new char[Length] tmp new char[Length] Length for(int i=0 ;i<Length;i++)
        {
          	tmp[i]='x';
        } int i=0 ; int i=0 ; i 0 i<Length i Length i++ i++ i {
          	tmp[i]='x';
        } {
          	tmp[i]='x';
        } tmp[i]='x' tmp[i] tmp i 'x' System.out.println(tmp) System.out.println System.out System System.out tmp String[] args args public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		int Length=S.length();
      	char tmp[];
      	tmp =new char[Length];
      	for(int i=0 ;i<Length;i++)
        {
          	tmp[i]='x';
        }
      	System.out.println(tmp);
	}
} public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		int Length=S.length();
      	char tmp[];
      	tmp =new char[Length];
      	for(int i=0 ;i<Length;i++)
        {
          	tmp[i]='x';
        }
      	System.out.println(tmp);
	}
} Main
import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		int Length=S.length();
      	char tmp[];
      	tmp =new char[Length];
      	for(int i=0 ;i<Length;i++)
        {
          	tmp[i]='x';
        }
      	System.out.println(tmp);
	}
}