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 Kotlin (1.3.71) (judge verdict: Accepted)

fun main(args: Array<String>){
val str = readLine()!!
for (i in 'a'..'z'){
  if(str[0] == i){
    println("a")
  }else{
  }
}
  for (j in 'A'..'Z'){
    if(str[0] == j){
      println("A")
    }else{
    }
  }
}