import java.util.*;
 
class Test
{
 
    public static int daysInYear(int year) {
        Calendar c = new GregorianCalendar();
        c.set(Calendar.YEAR, year);
        return c.getActualMaximum(Calendar.DAY_OF_YEAR);
    }
 
    public static int daysInMonth(int year, int month) {
        Calendar c = new GregorianCalendar();
        c.set(Calendar.YEAR, year);
        c.set(Calendar.MONTH, month);
        return c.getActualMaximum(Calendar.DAY_OF_MONTH);
    }
 
    public static void main (String[] args) {
        System.out.println(daysInYear(2015));
        System.out.println(daysInYear(2016));
        System.out.println(daysInMonth(2015, Calendar.FEBRUARY));
        System.out.println(daysInMonth(2016, Calendar.FEBRUARY));
        System.out.println(daysInMonth(2015, Calendar.MARCH));
    }
 
}
 

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