static void Main(string[] args)
{
Console.WriteLine("Please fill in first number");
int firstnumber = int.Parse(Console.ReadLine());
Console.WriteLine("Please fill in operation");
char operation = char.Parse(Console.ReadLine());
Console.WriteLine("Please fill in second number");
int secondnumber = int.Parse(Console.ReadLine());
Calculations a = new Calculations(firstnumber, secondnumber);
switch (operation)
{
case '+':
int sum = a.Plus(firstnumber, secondnumber);
Console.WriteLine(sum);
break;
case '-':
int min = a.Minus(firstnumber, secondnumber);
Console.WriteLine($"Answer is {min}");
break;
case '*':
int umn = a.Umnozhit(firstnumber, secondnumber);
Console.WriteLine($"Answer is {umn}");
break;
case '/':
int del = a.Delit(firstnumber, secondnumber);
Console.WriteLine($"Answer is {del}");
break;
}
}
