
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        final Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        final int count = in.next().trim().length();
        final StringBuilder sb = new StringBuilder();
        for (int i = 0; i < count; i++) {
            sb.append("x");
        }
        System.out.println(sb);
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        final Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        final int count = in.next().trim().length();
        final StringBuilder sb = new StringBuilder();
        for (int i = 0; i < count; i++) {
            sb.append("x");
        }
        System.out.println(sb);
    }
} Main public static void main(String[] args) {
        final Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        final int count = in.next().trim().length();
        final StringBuilder sb = new StringBuilder();
        for (int i = 0; i < count; i++) {
            sb.append("x");
        }
        System.out.println(sb);
    } main {
        final Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        final int count = in.next().trim().length();
        final StringBuilder sb = new StringBuilder();
        for (int i = 0; i < count; i++) {
            sb.append("x");
        }
        System.out.println(sb);
    } final Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in))); in new Scanner(new BufferedReader(new InputStreamReader(System.in))) final int count = in.next().trim().length(); count in.next().trim().length() in.next().trim().length in.next().trim() in.next().trim in.next() in.next in final StringBuilder sb = new StringBuilder(); sb new StringBuilder() for (int i = 0; i < count; i++) {
            sb.append("x");
        } int i = 0; int i = 0; i 0 i < count i count i++ i++ i {
            sb.append("x");
        } {
            sb.append("x");
        } sb.append("x") sb.append sb "x" System.out.println(sb) System.out.println System.out System System.out sb String[] args args public class Main {
    public static void main(String[] args) {
        final Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        final int count = in.next().trim().length();
        final StringBuilder sb = new StringBuilder();
        for (int i = 0; i < count; i++) {
            sb.append("x");
        }
        System.out.println(sb);
    }
} public class Main {
    public static void main(String[] args) {
        final Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        final int count = in.next().trim().length();
        final StringBuilder sb = new StringBuilder();
        for (int i = 0; i < count; i++) {
            sb.append("x");
        }
        System.out.println(sb);
    }
} Main

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        final Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        final int count = in.next().trim().length();
        final StringBuilder sb = new StringBuilder();
        for (int i = 0; i < count; i++) {
            sb.append("x");
        }
        System.out.println(sb);
    }
}
