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