import java.util.*;

public class Main {
 
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String a= sc.next();
		String b="";
		int c= a.length();
		for(int i=0; i<c; i++) {
			b+="x";
		}
		System.out.println(b);
	}
}
	 import java.util.*; util.* java public class Main {
 
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String a= sc.next();
		String b="";
		int c= a.length();
		for(int i=0; i<c; i++) {
			b+="x";
		}
		System.out.println(b);
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String a= sc.next();
		String b="";
		int c= a.length();
		for(int i=0; i<c; i++) {
			b+="x";
		}
		System.out.println(b);
	} main {
		Scanner sc = new Scanner(System.in);
		String a= sc.next();
		String b="";
		int c= a.length();
		for(int i=0; i<c; i++) {
			b+="x";
		}
		System.out.println(b);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String a= sc.next(); a sc.next() sc.next sc String b=""; b "" int c= a.length(); c a.length() a.length a for(int i=0; i<c; i++) {
			b+="x";
		} int i=0; int i=0; i 0 i<c i c i++ i++ i {
			b+="x";
		} {
			b+="x";
		} b+="x" b "x" System.out.println(b) System.out.println System.out System System.out b String[] args args public class Main {
 
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String a= sc.next();
		String b="";
		int c= a.length();
		for(int i=0; i<c; i++) {
			b+="x";
		}
		System.out.println(b);
	}
} public class Main {
 
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String a= sc.next();
		String b="";
		int c= a.length();
		for(int i=0; i<c; i++) {
			b+="x";
		}
		System.out.println(b);
	}
} Main
import java.util.*;

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