import java.util.*;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        int n = s.length();


      System.out.println(repeat("x",n));
    }
  public static String repeat(String str, int n) {
  return String.join("", Collections.nCopies(n, str));
  }
} import java.util.*; util.* java class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        int n = s.length();


      System.out.println(repeat("x",n));
    }
  public static String repeat(String str, int n) {
  return String.join("", Collections.nCopies(n, str));
  }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        int n = s.length();


      System.out.println(repeat("x",n));
    } main {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        int n = s.length();


      System.out.println(repeat("x",n));
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc int n = s.length(); n s.length() s.length s System.out.println(repeat("x",n)) System.out.println System.out System System.out repeat("x",n) repeat "x" n String[] args args public static String repeat(String str, int n) {
  return String.join("", Collections.nCopies(n, str));
  } repeat {
  return String.join("", Collections.nCopies(n, str));
  } return String.join("", Collections.nCopies(n, str)); String.join("", Collections.nCopies(n, str)) String.join String "" Collections.nCopies(n, str) Collections.nCopies Collections n str String str str int n n
import java.util.*;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        int n = s.length();


      System.out.println(repeat("x",n));
    }
  public static String repeat(String str, int n) {
  return String.join("", Collections.nCopies(n, str));
  }
}