import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String S = scanner.next();
		int num = S.length();
		int i = 0;
		StringBuilder ans = new StringBuilder();
		while (i < num) {
			ans.append("x");
			i++;
		}

		System.out.println(ans);

	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String S = scanner.next();
		int num = S.length();
		int i = 0;
		StringBuilder ans = new StringBuilder();
		while (i < num) {
			ans.append("x");
			i++;
		}

		System.out.println(ans);

	}

} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String S = scanner.next();
		int num = S.length();
		int i = 0;
		StringBuilder ans = new StringBuilder();
		while (i < num) {
			ans.append("x");
			i++;
		}

		System.out.println(ans);

	} main {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String S = scanner.next();
		int num = S.length();
		int i = 0;
		StringBuilder ans = new StringBuilder();
		while (i < num) {
			ans.append("x");
			i++;
		}

		System.out.println(ans);

	} Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String S = scanner.next(); S scanner.next() scanner.next scanner int num = S.length(); num S.length() S.length S int i = 0; i 0 StringBuilder ans = new StringBuilder(); ans new StringBuilder() while (i < num) {
			ans.append("x");
			i++;
		} i < num i num {
			ans.append("x");
			i++;
		} ans.append("x") ans.append ans "x" i++ i System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String S = scanner.next();
		int num = S.length();
		int i = 0;
		StringBuilder ans = new StringBuilder();
		while (i < num) {
			ans.append("x");
			i++;
		}

		System.out.println(ans);

	}

} public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String S = scanner.next();
		int num = S.length();
		int i = 0;
		StringBuilder ans = new StringBuilder();
		while (i < num) {
			ans.append("x");
			i++;
		}

		System.out.println(ans);

	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		String S = scanner.next();
		int num = S.length();
		int i = 0;
		StringBuilder ans = new StringBuilder();
		while (i < num) {
			ans.append("x");
			i++;
		}

		System.out.println(ans);

	}

}