import java.util.Scanner;

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

		Scanner sc = new Scanner(System.in);
		String s = sc.next();
//		int a = sc.nextInt();

		StringBuffer sb = new StringBuffer();
		for(int i=0;i<s.length();i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());



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

		Scanner sc = new Scanner(System.in);
		String s = sc.next();
//		int a = sc.nextInt();

		StringBuffer sb = new StringBuffer();
		for(int i=0;i<s.length();i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());



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

		Scanner sc = new Scanner(System.in);
		String s = sc.next();
//		int a = sc.nextInt();

		StringBuffer sb = new StringBuffer();
		for(int i=0;i<s.length();i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());



	} main {

		Scanner sc = new Scanner(System.in);
		String s = sc.next();
//		int a = sc.nextInt();

		StringBuffer sb = new StringBuffer();
		for(int i=0;i<s.length();i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());



	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc StringBuffer sb = new StringBuffer(); sb new StringBuffer() for(int i=0;i<s.length();i++) {
			sb.append('x');
		} int i=0; int i=0; i 0 i<s.length() i s.length() s.length s i++ i++ i {
			sb.append('x');
		} {
			sb.append('x');
		} sb.append('x') sb.append sb 'x' System.out.println(sb.toString()) System.out.println System.out System System.out sb.toString() sb.toString sb String[] args args public class Main {
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		String s = sc.next();
//		int a = sc.nextInt();

		StringBuffer sb = new StringBuffer();
		for(int i=0;i<s.length();i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());



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

		Scanner sc = new Scanner(System.in);
		String s = sc.next();
//		int a = sc.nextInt();

		StringBuffer sb = new StringBuffer();
		for(int i=0;i<s.length();i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());



	}
} Main
import java.util.Scanner;

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

		Scanner sc = new Scanner(System.in);
		String s = sc.next();
//		int a = sc.nextInt();

		StringBuffer sb = new StringBuffer();
		for(int i=0;i<s.length();i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());



	}
}
