//  Calc.swift
//  bignumcalc
//  2025-03-31
//
// The author disclaims copyright to this source code. In place of
// a legal notice, here is a blessing:
//
//    May you do good and not evil.
//    May you find forgiveness for yourself and forgive others.
//    May you share freely, never taking more than you give.
//

import Foundation
var a: Double
var b: Double
var operation: String

print("Enter first number: ")
a = Double(readLine() ?? "") ?? 0

print("Enter operation (+, -, *, /): ")
operation = readLine() ?? ""

print("Enter second number: ")
b = Double(readLine() ?? "") ?? 0

switch operation {
    
}