OperationsBetweenNumbers

using System;

namespace OperationsBetweenNumbers
{
    class Program
    {
        static void Main(string[] args)
        {
            double N1 = int.Parse(Console.ReadLine());
            double N2 = int.Parse(Console.ReadLine());
            char action = char.Parse(Console.ReadLine());
            string evenOrOdd = "";
            double sum = 0;
            if (action == '+')
            {
                 sum = N1 + N2;
                if (sum % 2 == 0)
                {
                    evenOrOdd = "even";
                }
                else
                {
                    evenOrOdd = "odd";
                }
                Console.WriteLine($"{N1} {action} {N2} = {sum} - {evenOrOdd}");
            }
            else if (action == '-')
            {
                 sum = N1 - N2;
                if (sum % 2 == 0)
                {
                    evenOrOdd = "even";
                }
                else
                {
                    evenOrOdd = "odd";
                }
                Console.WriteLine($"{N1} {action} {N2} = {sum} - {evenOrOdd}");
            }
            else if (action == '*')
            {
                 sum = N1 * N2;
                if (sum % 2 == 0)
                {
                    evenOrOdd = "even";
                }
                else
                {
                    evenOrOdd = "odd";
                }
                Console.WriteLine($"{N1} {action} {N2} = {sum} - {evenOrOdd}");
            }
            else if (action == '/')
            {
                if (N1 == 0)
                {
                    Console.WriteLine($"Cannot divide {N1} by zero");
                }
                else
                {
                     sum = N1 / N2;
                    if (sum % 2 == 0)
                    {
                        evenOrOdd = "even";
                    }
                    else
                    {
                        evenOrOdd = "odd";
                    }

                    Console.WriteLine($"{N1} {action} {N2} = {sum:f2}");
                }

            }
            else if (action == '%')
            {
                if (N2 == 0)
                {
                    Console.WriteLine($"Cannot divide {N1} by zero");
                }
                else
                {
                     sum = N1 % N2;
                    if (sum % 2 == 0)
                    {
                        evenOrOdd = "even";
                    }
                    else
                    {
                        evenOrOdd = "odd";
                    }

                    Console.WriteLine($"{N1} {action} {N2} = {sum}");
                }

            }

        }
    }
}