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 ll long long 
#define mp make_pair 
#define pb push_back 
#define F first 
#define S second 
#define f(i,n) for(int i=0;i<n;i++) 

using namespace std;

void test(){
	char c;
	cin>>c;
	if(c>='a' and c<='z')cout<<"a\n";
	else cout<<"A\n";
}

int main(){
	int tests = 1;
//	cin>>tests;
	while(tests--){
		test();
	}
}