import java.util.*;
public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
    
        String name = sc.next();

        char[] work = new char[name.length()];

        for(int i = 0; i < name.length(); i++){
            work[i] = 'x';

            //切り出した文字列を一文字ずつ出力
            }
        System.out.println(work);
	}
} import java.util.*; util.* java public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
    
        String name = sc.next();

        char[] work = new char[name.length()];

        for(int i = 0; i < name.length(); i++){
            work[i] = 'x';

            //切り出した文字列を一文字ずつ出力
            }
        System.out.println(work);
	}
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
    
        String name = sc.next();

        char[] work = new char[name.length()];

        for(int i = 0; i < name.length(); i++){
            work[i] = 'x';

            //切り出した文字列を一文字ずつ出力
            }
        System.out.println(work);
	} main {
        Scanner sc = new Scanner(System.in);
    
        String name = sc.next();

        char[] work = new char[name.length()];

        for(int i = 0; i < name.length(); i++){
            work[i] = 'x';

            //切り出した文字列を一文字ずつ出力
            }
        System.out.println(work);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String name = sc.next(); name sc.next() sc.next sc char[] work = new char[name.length()]; work new char[name.length()] name.length() name.length name for(int i = 0; i < name.length(); i++){
            work[i] = 'x';

            //切り出した文字列を一文字ずつ出力
            } int i = 0; int i = 0; i 0 i < name.length() i name.length() name.length name i++ i++ i {
            work[i] = 'x';

            //切り出した文字列を一文字ずつ出力
            } {
            work[i] = 'x';

            //切り出した文字列を一文字ずつ出力
            } work[i] = 'x' work[i] work i 'x' System.out.println(work) System.out.println System.out System System.out work String[] args args public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
    
        String name = sc.next();

        char[] work = new char[name.length()];

        for(int i = 0; i < name.length(); i++){
            work[i] = 'x';

            //切り出した文字列を一文字ずつ出力
            }
        System.out.println(work);
	}
} public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
    
        String name = sc.next();

        char[] work = new char[name.length()];

        for(int i = 0; i < name.length(); i++){
            work[i] = 'x';

            //切り出した文字列を一文字ずつ出力
            }
        System.out.println(work);
	}
} Main
import java.util.*;
public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
    
        String name = sc.next();

        char[] work = new char[name.length()];

        for(int i = 0; i < name.length(); i++){
            work[i] = 'x';

            //切り出した文字列を一文字ずつ出力
            }
        System.out.println(work);
	}
}