Problem:
Score : 100 points

Problem Statement

An uppercase or lowercase English letter \alpha will be given as input.
If \alpha is uppercase, print A; if it is lowercase, print a.

Constraints

\alpha is an uppercase (A - Z) or lowercase (a - z) English letter.

Input

Input is given from Standard Input in the following format:

α

Output

If \alpha is uppercase, print A; if it is lowercase, print a.

Sample Input 1

B

Sample Output 1

A

B is uppercase, so we should print A.

Sample Input 2

a

Sample Output 2

a

a is lowercase, so we should print a.

Solution in Java (OpenJDK 11.0.6) (judge verdict: Accepted)

import java.lang.Character;
import java.util.Scanner;

public class Main {

    static void solve(String s ) {
        char bruh = s.charAt(0);
        if(Character.isUpperCase(bruh)){
            System.out.println("A");
        } else System.out.println("a");

    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
            String input = in.next();
            solve(input);

    }
}