import java.util.*;

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

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