11 Odd Even Position

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

namespace Odd___Even_Position_11
{
    class Program
    {
        static void Main(string[] args)
        {
            var n = int.Parse(Console.ReadLine());

            double oddSum = 0;
            double oddMin = double.MinValue;
            double oddMax = double.MaxValue;
            double evenSum = 0;
            double evenMin = -1000000000.0;
            double evenMax = 1000000000.0;

            double oddMin1 = oddMin;
            double oddMax1 = oddMax;
            double evenMin2 = evenMin;
            double evenMax2 = evenMax;

            if (n != 0)
            {
                for (int i = 1; i <= 2; i++)
                {
                    var num12 = double.Parse(Console.ReadLine());
                    if (i == 1)
                    {
                        oddSum = num12;
                        oddMin = num12;
                        oddMax = num12;
                    }
                    else
                    {
                        evenSum = num12;
                        evenMin = num12;
                        evenMax = num12;
                    }
                    if (n == 1) break;
                }

                if (n > 2)
                {
                    for (int i = 3; i <= n; i++)
                    {
                        var num3 = double.Parse(Console.ReadLine());
                        if (i % 2 == 0)
                        {
                            evenSum += num3;
                            if (num3 < evenMin) evenMin = num3;
                            if (num3 > evenMax) evenMax = num3;
                        }
                        else
                        {
                            oddSum += num3;
                            if (num3 < oddMin) oddMin = num3;
                            if (num3 > oddMax) oddMax = num3;
                        }
                    }
                }
            }

            Console.WriteLine($"OddSum={oddSum}");
            if (oddMin == oddMin1) Console.WriteLine($"OddMin=No");
            else Console.WriteLine($"OddMin={oddMin}");
            if (oddMax == oddMax1) Console.WriteLine($"OddMax=No");
            else Console.WriteLine($"OddMax={oddMax}");
            Console.WriteLine($"EvenSum={evenSum}");
            if (evenMin == evenMin2) Console.WriteLine($"EvenMin=No");
            else Console.WriteLine($"EvenMin={evenMin}");
            if (evenMax == evenMax2) Console.WriteLine($"EvenMax=No");
            else Console.WriteLine($"EvenMax={evenMax}");
        }
    }
}