import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
 
public class Main {
 
    public static void main(String[] args) {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
 		String input = null;
      
        try {
            input = br.readLine();
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
      
		int len = input.length();
        String ret = "";
      
      	for (int i = 0; i < len; i++){
          ret = ret + "x";
        }
      
        System.out.println(ret);
    }
 
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {
 
    public static void main(String[] args) {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
 		String input = null;
      
        try {
            input = br.readLine();
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
      
		int len = input.length();
        String ret = "";
      
      	for (int i = 0; i < len; i++){
          ret = ret + "x";
        }
      
        System.out.println(ret);
    }
 
} Main public static void main(String[] args) {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
 		String input = null;
      
        try {
            input = br.readLine();
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
      
		int len = input.length();
        String ret = "";
      
      	for (int i = 0; i < len; i++){
          ret = ret + "x";
        }
      
        System.out.println(ret);
    } main {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
 		String input = null;
      
        try {
            input = br.readLine();
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
      
		int len = input.length();
        String ret = "";
      
      	for (int i = 0; i < len; i++){
          ret = ret + "x";
        }
      
        System.out.println(ret);
    } InputStreamReader isr = new InputStreamReader(System.in); isr new InputStreamReader(System.in) BufferedReader br = new BufferedReader(isr); br new BufferedReader(isr) String input = null; input null try {
            input = br.readLine();
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } IOException e {
            e.printStackTrace();
        } e.printStackTrace() e.printStackTrace e {
            input = br.readLine();
            br.close();
        } input = br.readLine() input br.readLine() br.readLine br br.close() br.close br int len = input.length(); len input.length() input.length input String ret = ""; ret "" for (int i = 0; i < len; i++){
          ret = ret + "x";
        } int i = 0; int i = 0; i 0 i < len i len i++ i++ i {
          ret = ret + "x";
        } {
          ret = ret + "x";
        } ret = ret + "x" ret ret + "x" ret "x" System.out.println(ret) System.out.println System.out System System.out ret String[] args args public class Main {
 
    public static void main(String[] args) {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
 		String input = null;
      
        try {
            input = br.readLine();
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
      
		int len = input.length();
        String ret = "";
      
      	for (int i = 0; i < len; i++){
          ret = ret + "x";
        }
      
        System.out.println(ret);
    }
 
} public class Main {
 
    public static void main(String[] args) {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
 		String input = null;
      
        try {
            input = br.readLine();
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
      
		int len = input.length();
        String ret = "";
      
      	for (int i = 0; i < len; i++){
          ret = ret + "x";
        }
      
        System.out.println(ret);
    }
 
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
 
public class Main {
 
    public static void main(String[] args) {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
 		String input = null;
      
        try {
            input = br.readLine();
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
      
		int len = input.length();
        String ret = "";
      
      	for (int i = 0; i < len; i++){
          ret = ret + "x";
        }
      
        System.out.println(ret);
    }
 
}
