Centuries to Nanoseconds

using System;

namespace CenturiestoNanoseconds
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            byte centuries = byte.Parse(Console.ReadLine());
            ulong years = (ulong)(centuries * 100);
            ulong days = (ulong)(years * 365.2422);
            ulong hours = days * 24;
            ulong minutes = hours * 60;
            ulong seconds = (ulong)minutes * 60;
            decimal milliseconds = seconds * 1000;
            decimal microseconds = milliseconds * 1000;
            decimal nanoseconds = microseconds * 1000;

            Console.WriteLine($"{centuries} centuries = {years} years = {days} days = {hours} hours = {minutes} minutes = {seconds} seconds = {milliseconds} milliseconds = {microseconds} microseconds = {nanoseconds} nanoseconds");
        }
    }
}