Operations between numbers

using System;

namespace Operations
{
    class Program
    {
        static void Main(string[] args)
        {
            int num1 = int.Parse(Console.ReadLine());
            int num2 = int.Parse(Console.ReadLine());
            string sign = Console.ReadLine().ToLower();
            var result = 0.0;
            var checkOddEven = "";
            string resultString = "";

            if (sign=="+")
            {
                result = num1 + num2;
                checkOddEven = (result % 2 == 0) ?"even":"odd";
                resultString = $"{num1} "+sign+$" {num2} = {result}"+$" - {checkOddEven}";
            }
            else if (sign == "-")
            {
                result = num1 - num2;
                checkOddEven = (result % 2 == 0) ? "even" : "odd";
                resultString = $"{num1} " + sign + $" {num2} = {result}" + $" - {checkOddEven}";
            }
            else if (sign == "*")
            {
                result = num1 * num2;
                checkOddEven = (result % 2 == 0) ? "even" : "odd";
                resultString = $"{num1} " + sign + $" {num2} = {result}" + $" - {checkOddEven}";
            }
            else if (sign == "/")
            {
                if (num2==0)
                {
                    Console.WriteLine($"Cannot divide {num2} by zero");
                }
                else
                {
                    result = num1 / (double)num2;
                    resultString = $"{num1} " + sign + $" {num2} = {result:f2}";
                }
            }
            else if (sign == "%")
            {
                if (num2 == 0)
                {
                    Console.WriteLine($"Cannot divide {num2} by zero");
                }
                else
                {
                    result = num1 % num2;
                    resultString = $"{num1} " + sign + $" {num2} = {result}";
                }
            }
            Console.WriteLine($"{resultString}");
        }
    }
}