import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        int n = a.length();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < n; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        int n = a.length();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < n; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    }
} Main public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        int n = a.length();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < n; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    } main {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        int n = a.length();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < n; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String a = sc.next(); a sc.next() sc.next sc int n = a.length(); n a.length() a.length a StringBuilder sb = new StringBuilder(); sb new StringBuilder() for (int i = 0; i < n; i++) {
            sb.append("x");
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            sb.append("x");
        } {
            sb.append("x");
        } sb.append("x") sb.append sb "x" System.out.println(sb.toString()) System.out.println System.out System System.out sb.toString() sb.toString sb String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        int n = a.length();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < n; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        int n = a.length();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < n; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        int n = a.length();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < n; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    }
}
