import java.util.*;
/**
 * @author yamato
 *
 */
public class Main {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scanner = new Scanner(System.in);
		String S = scanner.nextLine();
		String ans = "";
		int i;
		for(i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.print(ans);
		
	}

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

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scanner = new Scanner(System.in);
		String S = scanner.nextLine();
		String ans = "";
		int i;
		for(i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.print(ans);
		
	}

} Main /**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scanner = new Scanner(System.in);
		String S = scanner.nextLine();
		String ans = "";
		int i;
		for(i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.print(ans);
		
	} main {
		// TODO Auto-generated method stub
		Scanner scanner = new Scanner(System.in);
		String S = scanner.nextLine();
		String ans = "";
		int i;
		for(i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.print(ans);
		
	} Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String S = scanner.nextLine(); S scanner.nextLine() scanner.nextLine scanner String ans = ""; ans "" int i; i for(i=0;i<S.length();i++) {
			ans += "x";
		} i=0; 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.print(ans) System.out.print System.out System System.out ans String[] args args public class Main {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scanner = new Scanner(System.in);
		String S = scanner.nextLine();
		String ans = "";
		int i;
		for(i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.print(ans);
		
	}

} public class Main {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scanner = new Scanner(System.in);
		String S = scanner.nextLine();
		String ans = "";
		int i;
		for(i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.print(ans);
		
	}

} Main
import java.util.*;
/**
 * @author yamato
 *
 */
public class Main {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scanner = new Scanner(System.in);
		String S = scanner.nextLine();
		String ans = "";
		int i;
		for(i=0;i<S.length();i++) {
			ans += "x";
		}
		System.out.print(ans);
		
	}

}
