import java.util.*;

public class Main {
    public static void main(String args[]) throws Exception {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        StringBuilder s2 = new StringBuilder();
        for(int i = 0; i < s.length(); i++)
        	s2.append('x');

        System.out.println(s2.toString());
    }
} 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();
        StringBuilder s2 = new StringBuilder();
        for(int i = 0; i < s.length(); i++)
        	s2.append('x');

        System.out.println(s2.toString());
    }
} Main public static void main(String args[]) throws Exception {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        StringBuilder s2 = new StringBuilder();
        for(int i = 0; i < s.length(); i++)
        	s2.append('x');

        System.out.println(s2.toString());
    } main {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        StringBuilder s2 = new StringBuilder();
        for(int i = 0; i < s.length(); i++)
        	s2.append('x');

        System.out.println(s2.toString());
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc StringBuilder s2 = new StringBuilder(); s2 new StringBuilder() for(int i = 0; i < s.length(); i++)
        	s2.append('x'); int i = 0; int i = 0; i 0 i < s.length() i s.length() s.length s i++ i++ i s2.append('x'); s2.append('x') s2.append s2 'x' System.out.println(s2.toString()) System.out.println System.out System System.out s2.toString() s2.toString s2 String args[] args public class Main {
    public static void main(String args[]) throws Exception {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        StringBuilder s2 = new StringBuilder();
        for(int i = 0; i < s.length(); i++)
        	s2.append('x');

        System.out.println(s2.toString());
    }
} public class Main {
    public static void main(String args[]) throws Exception {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        StringBuilder s2 = new StringBuilder();
        for(int i = 0; i < s.length(); i++)
        	s2.append('x');

        System.out.println(s2.toString());
    }
} 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();
        StringBuilder s2 = new StringBuilder();
        for(int i = 0; i < s.length(); i++)
        	s2.append('x');

        System.out.println(s2.toString());
    }
}
