import java.util.*;
import java.lang.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) {
        //コード
        Scanner scanner = new Scanner(System.in);
        String x = scanner.next();

        String moji = new String();
        for(int i = 0; i < x.length(); i++)  {
            moji += "x";
        }



        System.out.println(moji);
    }
} import java.util.*; util.* java import java.lang.*; lang.* java import java.util.stream.*; stream.* java.util public class Main {
    public static void main(String[] args) {
        //コード
        Scanner scanner = new Scanner(System.in);
        String x = scanner.next();

        String moji = new String();
        for(int i = 0; i < x.length(); i++)  {
            moji += "x";
        }



        System.out.println(moji);
    }
} Main public static void main(String[] args) {
        //コード
        Scanner scanner = new Scanner(System.in);
        String x = scanner.next();

        String moji = new String();
        for(int i = 0; i < x.length(); i++)  {
            moji += "x";
        }



        System.out.println(moji);
    } main {
        //コード
        Scanner scanner = new Scanner(System.in);
        String x = scanner.next();

        String moji = new String();
        for(int i = 0; i < x.length(); i++)  {
            moji += "x";
        }



        System.out.println(moji);
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String x = scanner.next(); x scanner.next() scanner.next scanner String moji = new String(); moji new String() for(int i = 0; i < x.length(); i++)  {
            moji += "x";
        } int i = 0; int i = 0; i 0 i < x.length() i x.length() x.length x i++ i++ i {
            moji += "x";
        } {
            moji += "x";
        } moji += "x" moji "x" System.out.println(moji) System.out.println System.out System System.out moji String[] args args public class Main {
    public static void main(String[] args) {
        //コード
        Scanner scanner = new Scanner(System.in);
        String x = scanner.next();

        String moji = new String();
        for(int i = 0; i < x.length(); i++)  {
            moji += "x";
        }



        System.out.println(moji);
    }
} public class Main {
    public static void main(String[] args) {
        //コード
        Scanner scanner = new Scanner(System.in);
        String x = scanner.next();

        String moji = new String();
        for(int i = 0; i < x.length(); i++)  {
            moji += "x";
        }



        System.out.println(moji);
    }
} Main
import java.util.*;
import java.lang.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) {
        //コード
        Scanner scanner = new Scanner(System.in);
        String x = scanner.next();

        String moji = new String();
        for(int i = 0; i < x.length(); i++)  {
            moji += "x";
        }



        System.out.println(moji);
    }
}