// Simple calculator program
// Welcome to the Brain Calculator!
// Supported operations:
// a) a + b
// b) a - b
// c) a * b
// d) a / b
// e) a % b
//
// Which operation would you like to perform? a
//
// Enter inputs: (Ans = 5)
// a = 34
// b = 23
//
// Ans: 57
//
// Next operation:
// a) a + b
// b) a - b
// c) a * b
// d) a / b
// e) a % b
//
// Which operation would you like to perform? a