import java.util.Scanner;
public class Main {

	public static void main(String[] args) {
		Scanner kbs = new Scanner(System.in);
		String S = kbs.next();
		String string = "";
		for(int i = 0; i < S.length(); i++) {
			string += "x";
		}
		System.out.printf("%s", string);
		kbs.close();
	}

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

	public static void main(String[] args) {
		Scanner kbs = new Scanner(System.in);
		String S = kbs.next();
		String string = "";
		for(int i = 0; i < S.length(); i++) {
			string += "x";
		}
		System.out.printf("%s", string);
		kbs.close();
	}

} Main public static void main(String[] args) {
		Scanner kbs = new Scanner(System.in);
		String S = kbs.next();
		String string = "";
		for(int i = 0; i < S.length(); i++) {
			string += "x";
		}
		System.out.printf("%s", string);
		kbs.close();
	} main {
		Scanner kbs = new Scanner(System.in);
		String S = kbs.next();
		String string = "";
		for(int i = 0; i < S.length(); i++) {
			string += "x";
		}
		System.out.printf("%s", string);
		kbs.close();
	} Scanner kbs = new Scanner(System.in); kbs new Scanner(System.in) String S = kbs.next(); S kbs.next() kbs.next kbs String string = ""; string "" for(int i = 0; i < S.length(); i++) {
			string += "x";
		} int i = 0; int i = 0; i 0 i < S.length() i S.length() S.length S i++ i++ i {
			string += "x";
		} {
			string += "x";
		} string += "x" string "x" System.out.printf("%s", string) System.out.printf System.out System System.out "%s" string kbs.close() kbs.close kbs String[] args args public class Main {

	public static void main(String[] args) {
		Scanner kbs = new Scanner(System.in);
		String S = kbs.next();
		String string = "";
		for(int i = 0; i < S.length(); i++) {
			string += "x";
		}
		System.out.printf("%s", string);
		kbs.close();
	}

} public class Main {

	public static void main(String[] args) {
		Scanner kbs = new Scanner(System.in);
		String S = kbs.next();
		String string = "";
		for(int i = 0; i < S.length(); i++) {
			string += "x";
		}
		System.out.printf("%s", string);
		kbs.close();
	}

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

	public static void main(String[] args) {
		Scanner kbs = new Scanner(System.in);
		String S = kbs.next();
		String string = "";
		for(int i = 0; i < S.length(); i++) {
			string += "x";
		}
		System.out.printf("%s", string);
		kbs.close();
	}

}
