import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String str = sc.next();
		String res = "";
		int n = str.length();
		for(int i=0;i<n;i++) {
			res+="x";

		}
		System.out.println(res);
		


	}

} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String str = sc.next();
		String res = "";
		int n = str.length();
		for(int i=0;i<n;i++) {
			res+="x";

		}
		System.out.println(res);
		


	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String str = sc.next();
		String res = "";
		int n = str.length();
		for(int i=0;i<n;i++) {
			res+="x";

		}
		System.out.println(res);
		


	} main {
		Scanner sc = new Scanner(System.in);
		String str = sc.next();
		String res = "";
		int n = str.length();
		for(int i=0;i<n;i++) {
			res+="x";

		}
		System.out.println(res);
		


	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String str = sc.next(); str sc.next() sc.next sc String res = ""; res "" int n = str.length(); n str.length() str.length str for(int i=0;i<n;i++) {
			res+="x";

		} int i=0; int i=0; i 0 i<n i n i++ i++ i {
			res+="x";

		} {
			res+="x";

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

		}
		System.out.println(res);
		


	}

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

		}
		System.out.println(res);
		


	}

} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String str = sc.next();
		String res = "";
		int n = str.length();
		for(int i=0;i<n;i++) {
			res+="x";

		}
		System.out.println(res);
		


	}

}
