test

import java.util.Scanner;

public class testChar_To_String {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String b = scanner.nextLine().toUpperCase();
        char bb = b.charAt(0);
        int y = (int)(bb);
        System.out.println(bb);
        System.out.printf("%c%n",y);
        for (int i = 'A'; i <= y; i++) { // 'A'=65
//            boolean valid = i == 3;
//            if (valid) {
                System.out.printf("%c%n", i);
//            }
        }
    }
}