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: Wrong Answer)

#include <iostream>

#define int long long

using namespace std;

const int N = 2e5 + 10;

int32_t main()
{
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);    
    char c;
    cin >> c;
    if (c >= 'A') cout << "A";
    else cout << "a";
    return 0;
}