import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        String name=scanner.nextLine();
        System.out.println(name);

        System.out.println("The first letter is :" +name.charAt(0));
        System.out.println("The last letter is :" +name.charAt(4));
    }
}