Time Conversion

import java.util.Scanner;
    public class Conversion
    {
        public static void main(String[]args)
        {
            Scanner in=new Scanner (System.in);
            System.out.println("Enter time in milliseconds");
            double time=in.nextDouble();
            String unit="ms";
            if(time>=365*24*60*60*1000L)
            {
                unit="years";
                time/=365*24*60*60*1000L;
            }
            else if(time>=24*60*60*1000)
            {
                unit="days";
                time/=24*60*60*1000;
            }
            else if(time>=60*60*1000)
            {
                unit="hours";
                time/=60*60*1000;
            }
            else if(time>=60*1000)
            {
            unit="minutes";
            time/=60*1000;
        }
        else if(time>=1000)
        {
            unit="seconds";
            time/=1000;
        }
        System.out.println("Most appropriate unit for this time is "+unit+" ");
        System.out.println("This time is nearly equal to "+time+" "+unit);
    }
}