import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        String Sn = "";
        String x = "x";
        
        for(int i=0; i<S.length(); i++){
            
            Sn += x;
            
        }


        System.out.println(Sn);
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        String Sn = "";
        String x = "x";
        
        for(int i=0; i<S.length(); i++){
            
            Sn += x;
            
        }


        System.out.println(Sn);
    }
} Main public static void main(String[] args) throws Exception {
        
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        String Sn = "";
        String x = "x";
        
        for(int i=0; i<S.length(); i++){
            
            Sn += x;
            
        }


        System.out.println(Sn);
    } main {
        
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        String Sn = "";
        String x = "x";
        
        for(int i=0; i<S.length(); i++){
            
            Sn += x;
            
        }


        System.out.println(Sn);
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String S = scanner.next(); S scanner.next() scanner.next scanner String Sn = ""; Sn "" String x = "x"; x "x" for(int i=0; i<S.length(); i++){
            
            Sn += x;
            
        } int i=0; int i=0; i 0 i<S.length() i S.length() S.length S i++ i++ i {
            
            Sn += x;
            
        } {
            
            Sn += x;
            
        } Sn += x Sn x System.out.println(Sn) System.out.println System.out System System.out Sn String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        String Sn = "";
        String x = "x";
        
        for(int i=0; i<S.length(); i++){
            
            Sn += x;
            
        }


        System.out.println(Sn);
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        String Sn = "";
        String x = "x";
        
        for(int i=0; i<S.length(); i++){
            
            Sn += x;
            
        }


        System.out.println(Sn);
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        String Sn = "";
        String x = "x";
        
        for(int i=0; i<S.length(); i++){
            
            Sn += x;
            
        }


        System.out.println(Sn);
    }
}
