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 <stdio.h>

int main()
{char a;
scanf("%c",&a);
if(a==97||a==98||a==99||a==100||a==101||a==102||a==103||a==104||a==105||a==106||a==107||a==108||a==109||a==110||a==111||a==112||a==113||a==114||a==115||a==116||a==117||a==118||a==119||a==120||a==121||a==122){printf("a");}
else{printf("A");}
    return 0;
}