import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        
        String s = sc.next();
        char[] xs = new char[s.length()];
        
        
        //int n = Integer.parseInt(sc.next());
        
        for(int i = 0; i < xs.length; i++) {
            xs[i] = 'x';
        }
        System.out.println(new String(xs));
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        
        String s = sc.next();
        char[] xs = new char[s.length()];
        
        
        //int n = Integer.parseInt(sc.next());
        
        for(int i = 0; i < xs.length; i++) {
            xs[i] = 'x';
        }
        System.out.println(new String(xs));
    }
} Main public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        
        String s = sc.next();
        char[] xs = new char[s.length()];
        
        
        //int n = Integer.parseInt(sc.next());
        
        for(int i = 0; i < xs.length; i++) {
            xs[i] = 'x';
        }
        System.out.println(new String(xs));
    } main {
        Scanner sc = new Scanner(System.in);
        
        String s = sc.next();
        char[] xs = new char[s.length()];
        
        
        //int n = Integer.parseInt(sc.next());
        
        for(int i = 0; i < xs.length; i++) {
            xs[i] = 'x';
        }
        System.out.println(new String(xs));
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc char[] xs = new char[s.length()]; xs new char[s.length()] s.length() s.length s for(int i = 0; i < xs.length; i++) {
            xs[i] = 'x';
        } int i = 0; int i = 0; i 0 i < xs.length i xs.length xs xs.length i++ i++ i {
            xs[i] = 'x';
        } {
            xs[i] = 'x';
        } xs[i] = 'x' xs[i] xs i 'x' System.out.println(new String(xs)) System.out.println System.out System System.out new String(xs) String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        
        String s = sc.next();
        char[] xs = new char[s.length()];
        
        
        //int n = Integer.parseInt(sc.next());
        
        for(int i = 0; i < xs.length; i++) {
            xs[i] = 'x';
        }
        System.out.println(new String(xs));
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        
        String s = sc.next();
        char[] xs = new char[s.length()];
        
        
        //int n = Integer.parseInt(sc.next());
        
        for(int i = 0; i < xs.length; i++) {
            xs[i] = 'x';
        }
        System.out.println(new String(xs));
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        
        String s = sc.next();
        char[] xs = new char[s.length()];
        
        
        //int n = Integer.parseInt(sc.next());
        
        for(int i = 0; i < xs.length; i++) {
            xs[i] = 'x';
        }
        System.out.println(new String(xs));
    }
}