static void Main(string[] args)
{
IResult result = new EmptyResult();
var input = Console.ReadLine();
while (input != "Q")
{
var inputs = input.Split(' ');
switch (inputs.First())
{
case "add":
result = new Add(result, new ParsedResult(inputs.ElementAt(1)));
break;
case "subtract":
result = new Subtract(result, new ParsedResult(inputs.ElementAt(1)));
break;
case "multiply":
result = new Multiply(result, new ParsedResult(inputs.ElementAt(1)));
break;
case "divide":
result = new Divide(result, new ParsedResult(inputs.ElementAt(1)));
break;
}
Console.WriteLine(result.result());
input = Console.ReadLine();
}
}
static void Main(string[] args)
{
IResult result = new EmptyResult();
var input = Console.ReadLine();
while (input != "Q")
{
var inputs = input.Split(' ');
switch (inputs.First())
{
case "add":
result = new Add(result, new ParsedResult(inputs.ElementAt(1)));
break;
case "subtract":
result = new Subtract(result, new ParsedResult(inputs.ElementAt(1)));
break;
case "multiply":
result = new Multiply(result, new ParsedResult(inputs.ElementAt(1)));
break;
case "divide":
result = new Divide(result, new ParsedResult(inputs.ElementAt(1)));
break;
}
Console.WriteLine(result.result());
input = Console.ReadLine();
}
}