10. Centuries to Nanoseconds

using System;
using System.Numerics;

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

            short years = (short)(centures * 100);
            int days = (int)(years * 365.2422);
            int hours = days * 24;
            int minutes = hours * 60;
            ulong seconds = (ulong)minutes * 60;
            BigInteger milisec = seconds * 1000;
            BigInteger microsec = milisec * 1000;
            BigInteger nanosec = microsec * 1000;

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

        }
    }
}