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 C++ (GCC 9.2.1) (judge verdict: Accepted)

#include <bits/stdc++.h>
#define lli long long int
using namespace std;
int main() {
	lli t,n,m,a,b,c,ans;
	char ch;
	cin >> ch;
	if(ch>='A' && ch<='Z'){
		cout<<"A";
	}
	else if(ch>='a' && ch<='z'){
		cout<<"a";
	}
	return 0;
}