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;
int main () {
  char M;
  cin>>M;
  char ans='a';
  if (M=='A'||M=='B'||M=='C'||M=='D'||M=='E'||M=='F'||M=='G'||M=='H'||M=='I'||M=='J'||M=='K'||M=='L'||M=='M'||M=='N'||M=='O'||M=='P'||M=='Q'||M=='R'||M=='S'||M=='T'||M=='U'||M=='V'||M=='W'||M=='X'||M=='Y'||M=='Z')
    ans='A';
  cout<<ans<<endl;
}