using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter any two numbers and a character");

        int n1=Int32.Parse(Console.ReadLine());

        int n2=Int32.Parse(Console.ReadLine());

        char c=char.Parse(Console.ReadLine());

        switch(c)

        {

            case '+':Console.WriteLine(n1+n2);

            break;

            case '-':Console.WriteLine(n1-n2);

            break;

            case '/':Console.WriteLine(n1/n2);

            break;

            case '*':Console.WriteLine(n1*n2);

            break;

            case '%':Console.WriteLine(n1%n2);

            break;

            default:

            Console.WriteLine("Invalid operator");

            break;

        }

​

​

​

​

​

    }

}