Inside And Outside Grade

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace homework_3
{
    class Program
    {
        static void Main(string[] args)
        {
            double grade1;
            double grade2;
            double finalgrade;
            double sum1;
            double sum2;
            Console.WriteLine("Enter Your Inside Grade");
            grade1 = double.Parse(Console.ReadLine());
            Console.WriteLine("Enter Your Outside Grade");
            grade2 = double.Parse(Console.ReadLine());
            Console.WriteLine(sum1 = grade1 * 30 / 100);
            Console.WriteLine(sum2 = grade2 * 70 / 100);
            finalgrade = (sum1 + sum2);
            Console.WriteLine("Your Final Grade is : " + finalgrade);
            Console.ReadLine();


        }
    }
}