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>
    using namespace std;
     
    #define pb push_back
    #define ll long long
   	#define mp make_pair

    int main()
    {
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
       	char a;
        cin >> a;
        if(a >= 'a' and a <= 'z'){  
            cout << "a" << endl;
        }else{  
            cout << "A" << endl;
        }
        return 0;
    }