Sum of 5 numbers using Nakov.IO

using System;
using Nakov.IO;

namespace sumOf5Numbers
{
    class sumOf5Numbers
    {
        static void Main()
        {
            Console.Title = "Sum Of 5 Numbers";
            Console.Write("Enter 5 decimal numbers separated by a space: ");
            decimal first = Cin.NextDecimal();
            decimal second = Cin.NextDecimal();
            decimal third = Cin.NextDecimal();
            decimal fourth = Cin.NextDecimal();
            decimal fifth = Cin.NextDecimal();
            decimal sum = first + second + third + fourth + fifth;
            Console.WriteLine(sum);
            Main();
        }
    }
}