static void Main(string[] args)
{
PrimitiveCalculator calc = new PrimitiveCalculator();
string input;
while ((input = Console.ReadLine()) != "End")
{
var info = input.Split();
if (info[0] == "mode")
{
calc.ChangeStrategy(char.Parse(info[1]));
continue;
}
int num1 = int.Parse(info[0]);
int num2 = int.Parse(info[1]);
Console.WriteLine(calc.PerformCalculation(num1, num2));
}
}
public static void Main(string[] args)
{
PrimitiveCalculator calculator = new PrimitiveCalculator(new AdditionStrategy());
string inputInfo;
while ((inputInfo = Console.ReadLine()) != "End")
{
string[] split = inputInfo.Split();
if (split[0] == "mode")
{
calculator.ChangeStrategy(char.Parse(split[1]));
}
else
{
int firstNumber = int.Parse(split[0]);
int secondNumber = int.Parse(split[1]);
Console.WriteLine(calculator.PerformCalculation(firstNumber, secondNumber));
}
}
}