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() {
  string 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=="N"||x=="M"||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;
  }
}