// Name: Ashish Rihal
// Section:
// CSE 110, Spring 2011
// SUNY at Stony Brook
import java.util.*; // for the Scanner class

public class Calendar
{
    public static void main (String [] args)
    {
        Scanner input = new Scanner(System.in);
        System.out.print("Please enter a month(the number): ");
        int month = input.nextInt();
        System.out.print("Please enter a day: ");
        int day = input.nextInt();
        System.out.print("Please enter a year: ");
        int year = input.nextInt();

        int mon = month;
        String d = dayOfWeek(mon, day, year);
        int yr = dayNum(month, day, year);

        boolean Leap = isLeap(year);
        System.out.print(d+" was the "+yr+" day of the year. ");

        System.out.print("This year was ");

        if (Leap == false)
        {
            System.out.print("not ");
        }
        System.out.println("a leap year.\n");
    }

    public static boolean isLeap(int year)
    {
        if(year%400 == 0 || year%4 == 0 && year%100 != 0)
        {
            return true;
        }
        else
        {
            return false;
        }
    }

    public static int dayNum(int month, int day, int year)
    {
        int dayNum = 0;
        dayNum = 31 * (month - 1) + day;
        if(month > 2)
        {
            dayNum = dayNum - (4 * month + 23)/10;
            if(isLeap(year) == true)
            {
                dayNum = dayNum + 1;
            }
        }
        if(dayNum > 365)
        {
            dayNum = dayNum - 365;
        }
        return dayNum;
    }

    public static String dayOfWeek(int mon, int day, int year)
    {

        int q = day;
        int m = mon;
        int j = year/100;
        int k = year%100;

        String [] days =
        {
                "Saturday", "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday"
        };

        int h = (q + ((26*(m+1))/10) + k + (k/4) + (j/4) + (5*j))%7;
        System.out.print(h);
        if(true)
        {
            h = h - 1;
            if(h == -1)
            {
                h = 6;
            }
        }
        System.out.print(h);
        return days[h];
    }
}