import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main{
  public static void main(String[] args)throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    
    String input = br.readLine();
    
    System.out.println(input.replaceAll(".", "x"));
  }
} 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)throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    
    String input = br.readLine();
    
    System.out.println(input.replaceAll(".", "x"));
  }
} Main public static void main(String[] args)throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    
    String input = br.readLine();
    
    System.out.println(input.replaceAll(".", "x"));
  } main {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    
    String input = br.readLine();
    
    System.out.println(input.replaceAll(".", "x"));
  } BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String input = br.readLine(); input br.readLine() br.readLine br System.out.println(input.replaceAll(".", "x")) System.out.println System.out System System.out input.replaceAll(".", "x") input.replaceAll input "." "x" String[] args args public class Main{
  public static void main(String[] args)throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    
    String input = br.readLine();
    
    System.out.println(input.replaceAll(".", "x"));
  }
} public class Main{
  public static void main(String[] args)throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    
    String input = br.readLine();
    
    System.out.println(input.replaceAll(".", "x"));
  }
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main{
  public static void main(String[] args)throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    
    String input = br.readLine();
    
    System.out.println(input.replaceAll(".", "x"));
  }
}