import java.util.Calendar;

class Program01 {
	public static void main(String[] args) {
		Calendar cal = Calendar.getInstance();
		cal.set(Calendar.HOUR_OF_DAY,17);
		cal.set(Calendar.MINUTE,30);
		cal.set(Calendar.SECOND,0);
		cal.set(Calendar.MILLISECOND,0);		
		
		System.out.println(cal.get(Calendar.HOUR_OF_DAY));
	}
}