Day Of Week java in pgm

DayOfWeek.java

public class DayOfWeek

{

    public static void main(String[] args)

{

        int m = Integer.parseInt(args[0]);

        int d = Integer.parseInt(args[1]);

        int y = Integer.parseInt(args[2]);

        int y0 = y - (14 - m) / 12;

        int x = y0 + y0/4 - y0/100 + y0/400;

        int m0 = m + 12 * ((14 - m) / 12) - 2;

        int d0 = (d + x + (31*m0)/12) % 7;

        System.out.println(d0);

    }

            }