import java.io.FileNotFoundException;
import java.util.Scanner;

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

		//    	File file = new File("src/in.txt");

		//コード
		//    	Scanner sc = new Scanner(file);
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";
		for(int i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.println(ans);
	}

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

		//    	File file = new File("src/in.txt");

		//コード
		//    	Scanner sc = new Scanner(file);
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";
		for(int i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.println(ans);
	}

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

		//    	File file = new File("src/in.txt");

		//コード
		//    	Scanner sc = new Scanner(file);
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";
		for(int i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.println(ans);
	} main {

		//    	File file = new File("src/in.txt");

		//コード
		//    	Scanner sc = new Scanner(file);
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";
		for(int i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.println(ans);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String S = sc.next(); S sc.next() sc.next sc String ans = ""; ans "" for(int i=0;i<S.length();i++) {
			ans += "x";
		} int i=0; int i=0; i 0 i<S.length() i S.length() S.length S i++ i++ i {
			ans += "x";
		} {
			ans += "x";
		} ans += "x" ans "x" 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) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");

		//コード
		//    	Scanner sc = new Scanner(file);
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";
		for(int i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.println(ans);
	}

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

		//    	File file = new File("src/in.txt");

		//コード
		//    	Scanner sc = new Scanner(file);
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";
		for(int i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.println(ans);
	}

} Main
import java.io.FileNotFoundException;
import java.util.Scanner;

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

		//    	File file = new File("src/in.txt");

		//コード
		//    	Scanner sc = new Scanner(file);
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";
		for(int i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.println(ans);
	}

}