import java.util.*;
import java.util.Comparator;

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

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