import java.util.*;

class Main {
    // ABC152D
    static final long MOD = 1_000_000_007;
    // 10^9+7
    //static final int MAX = 2_147_483_646;
    static final int MAX = 10_000_000;
    // intの最大値
    static final int INF = 1_000_000_000;
    // 10^9

  
    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        int an = a.length();
        for(int i = 0;i < an;i++){
            System.out.print("x");
        }
    }
    
}

 import java.util.*; util.* java class Main {
    // ABC152D
    static final long MOD = 1_000_000_007;
    // 10^9+7
    //static final int MAX = 2_147_483_646;
    static final int MAX = 10_000_000;
    // intの最大値
    static final int INF = 1_000_000_000;
    // 10^9

  
    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        int an = a.length();
        for(int i = 0;i < an;i++){
            System.out.print("x");
        }
    }
    
} Main // ABC152D
    static final long MOD = 1_000_000_007; MOD 1_000_000_007 // 10^9+7
    //static final int MAX = 2_147_483_646;
    static final int MAX = 10_000_000; MAX 10_000_000 // intの最大値
    static final int INF = 1_000_000_000; INF 1_000_000_000 public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        int an = a.length();
        for(int i = 0;i < an;i++){
            System.out.print("x");
        }
    } main {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        int an = a.length();
        for(int i = 0;i < an;i++){
            System.out.print("x");
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String a = sc.next(); a sc.next() sc.next sc int an = a.length(); an a.length() a.length a for(int i = 0;i < an;i++){
            System.out.print("x");
        } int i = 0; int i = 0; i 0 i < an i an i++ i++ i {
            System.out.print("x");
        } {
            System.out.print("x");
        } System.out.print("x") System.out.print System.out System System.out "x" String args[] args
import java.util.*;

class Main {
    // ABC152D
    static final long MOD = 1_000_000_007;
    // 10^9+7
    //static final int MAX = 2_147_483_646;
    static final int MAX = 10_000_000;
    // intの最大値
    static final int INF = 1_000_000_000;
    // 10^9

  
    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        int an = a.length();
        for(int i = 0;i < an;i++){
            System.out.print("x");
        }
    }
    
}


