import java.util.Scanner;

public class Main {
	public static void main(String[] args) {

		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			String result = "";
			for (int i = 0; i < s.length(); i++) {
				result += "x";
			}
			System.out.println(result);
		}
	}

} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {

		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			String result = "";
			for (int i = 0; i < s.length(); i++) {
				result += "x";
			}
			System.out.println(result);
		}
	}

} Main public static void main(String[] args) {

		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			String result = "";
			for (int i = 0; i < s.length(); i++) {
				result += "x";
			}
			System.out.println(result);
		}
	} main {

		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			String result = "";
			for (int i = 0; i < s.length(); i++) {
				result += "x";
			}
			System.out.println(result);
		}
	} try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			String result = "";
			for (int i = 0; i < s.length(); i++) {
				result += "x";
			}
			System.out.println(result);
		} {
			String s = sc.next();
			String result = "";
			for (int i = 0; i < s.length(); i++) {
				result += "x";
			}
			System.out.println(result);
		} Scanner sc = new Scanner(System.in) Scanner sc = new Scanner(System.in) new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc String result = ""; result "" for (int i = 0; i < s.length(); i++) {
				result += "x";
			} int i = 0; int i = 0; i 0 i < s.length() i s.length() s.length s i++ i++ i {
				result += "x";
			} {
				result += "x";
			} result += "x" result "x" System.out.println(result) System.out.println System.out System System.out result String[] args args public class Main {
	public static void main(String[] args) {

		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			String result = "";
			for (int i = 0; i < s.length(); i++) {
				result += "x";
			}
			System.out.println(result);
		}
	}

} public class Main {
	public static void main(String[] args) {

		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			String result = "";
			for (int i = 0; i < s.length(); i++) {
				result += "x";
			}
			System.out.println(result);
		}
	}

} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {

		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			String result = "";
			for (int i = 0; i < s.length(); i++) {
				result += "x";
			}
			System.out.println(result);
		}
	}

}
