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.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		String a = sc.nextLine();
      	String A = ("A");
		if(a.equals("A")){
        	System.out.println(A);
        }
		else if(a.equals("B")){
        	System.out.println(A);
        }
		else if(a.equals("C")){
        	System.out.println(A);
        }
		else if(a.equals("D")){
        	System.out.println(A);
        }
		else if(a.equals("E")){
        	System.out.println(A);
        }
		else if(a.equals("F")){
        	System.out.println(A);
        }
		else if(a.equals("G")){
        	System.out.println(A);
        }
		else if(a.equals("H")){
        	System.out.println(A);
        }
		else if(a.equals("I")){
        	System.out.println(A);
        }
		else if(a.equals("J")){
        	System.out.println(A);
        }
		else if(a.equals("K")){
        	System.out.println(A);
        }
		else if(a.equals("L")){
        	System.out.println(A);
        }
		else if(a.equals("M")){
        	System.out.println(A);
        }
		else if(a.equals("N")){
        	System.out.println(A);
        }
		else if(a.equals("O")){
        	System.out.println(A);
        }
		else if(a.equals("P")){
        	System.out.println(A);
        }
		else if(a.equals("Q")){
        	System.out.println(A);
        }
		else if(a.equals("R")){
        	System.out.println(A);
        }
		else if(a.equals("S")){
        	System.out.println(A);
        }
		else if(a.equals("T")){
        	System.out.println(A);
        }
		else if(a.equals("U")){
        	System.out.println(A);
        }
		else if(a.equals("V")){
        	System.out.println(A);
        }
		else if(a.equals("W")){
        	System.out.println(A);
        }
		else if(a.equals("X")){
        	System.out.println(A);
        }
		else if(a.equals("Y")){
        	System.out.println(A);
        }
		else if(a.equals("Z")){
        	System.out.println(A);
        }
      	else{
        	System.out.println("a");
        }
	}
}