import java.io.*;

public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String line = reader.readLine();
        String ans = "";
        for (int i = 0; i < line.length(); i++)
            ans = ans.concat("x");
        System.out.println(ans);
    }
} import java.io.*; io.* java public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String line = reader.readLine();
        String ans = "";
        for (int i = 0; i < line.length(); i++)
            ans = ans.concat("x");
        System.out.println(ans);
    }
} Main public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String line = reader.readLine();
        String ans = "";
        for (int i = 0; i < line.length(); i++)
            ans = ans.concat("x");
        System.out.println(ans);
    } main {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String line = reader.readLine();
        String ans = "";
        for (int i = 0; i < line.length(); i++)
            ans = ans.concat("x");
        System.out.println(ans);
    } BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); reader new BufferedReader(new InputStreamReader(System.in)) String line = reader.readLine(); line reader.readLine() reader.readLine reader String ans = ""; ans "" for (int i = 0; i < line.length(); i++)
            ans = ans.concat("x"); int i = 0; int i = 0; i 0 i < line.length() i line.length() line.length line i++ i++ i ans = ans.concat("x"); ans = ans.concat("x") ans ans.concat("x") ans.concat ans "x" System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String line = reader.readLine();
        String ans = "";
        for (int i = 0; i < line.length(); i++)
            ans = ans.concat("x");
        System.out.println(ans);
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String line = reader.readLine();
        String ans = "";
        for (int i = 0; i < line.length(); i++)
            ans = ans.concat("x");
        System.out.println(ans);
    }
} Main
import java.io.*;

public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String line = reader.readLine();
        String ans = "";
        for (int i = 0; i < line.length(); i++)
            ans = ans.concat("x");
        System.out.println(ans);
    }
}