public static void Main()
{
PrimitiveCalculator calculator = new PrimitiveCalculator();
while (true)
{
string[] input = Console.ReadLine().Split();
if (input[0] == "End")
{
break;
}
else if (input[0] == "mode")
{
calculator.ChangeStrategy(input[1][0]);
}
else
{
Console.WriteLine(calculator.PerformCalculation(int.Parse(input[0]), int.Parse(input[1])));
}
}
}
public static void Main()
{
PrimitiveCalculator calculator = new PrimitiveCalculator(new AdditionStrategy());
string[] input = Console.ReadLine().Split();
while (!input[0].Equals("End"))
{
if (input[0].Equals("mode"))
{
calculator.ChangeStrategy(char.Parse(input[1]));
}
else
{
int firstNum = int.Parse(input[0]);
int secondNum = int.Parse(input[1]);
Console.WriteLine(calculator.PerformCalculation(firstNum, secondNum));
}
input = Console.ReadLine().Split();
}
}
static void Main(string[] args)
{
var calculator = new PrimitiveCalculator(GenerateStrategyMap());
var input = "";
while ((input = Console.ReadLine()) != "End")
{
if (input.StartsWith("mode"))
{
var strategy = input.Split()[1][0];
calculator.ChangeStrategy(strategy);
}
else
{
var numbers = input.Split().Select(int.Parse).ToArray();
var result = calculator.PerformCalculation(numbers[0], numbers[1]);
Console.WriteLine(result);
}
}
}