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 Python (3.8.2) (judge verdict: Accepted)

A=input()
if A=='A' or A=='B' or A=='C' or A=='D' or A=='E' or A=='F' or A=='G' or A=='H' or A=='I' or A=='J' or A=='K' or A=='L' or A=='M' or A=='N' or A=='O' or A=='P' or A=='Q' or A=='R' or A=='S' or A=='T' or A=='U' or A=='V' or A=='W' or A=='X' or A=='Y' or A=='Z':
    print('A')
else:
    print('a')