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 x;
  cin >> x;
  if(x == 'a' || x=='b' || x=='c' || x =='d' || x =='e' || x=='f' || x=='g' || x=='h' || x=='i' || x=='j' || x=='k' || x=='l' || x=='m' || x=='n' || x=='o' || x=='p' || x=='q' || x=='r' || x=='s' || x=='t' || x=='u' || x=='v' || x=='w' || x=='x' || x=='y' || x=='z')
    cout << 'a' << endl;
  else
    cout << 'A' << endl;
}