Case Checker

import java.util.Scanner;

public class Main{
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		char check = in.next().trim().charAt(0);
		if(Character.isUpperCase(check)){
			System.out.println("Upper Case");
		}else{
			System.out.println("Lower Case");
		}
	}
}