import java.util.{Calendar, Scanner} object Main extends App { val get_calender: (Int, Int, Int) => Calendar = (y:Int, m:Int, d:Int) => { val c: Calendar = Calendar.getInstance() // Reset milliseconds c.clear() c.set(y, m, d, 0, 0, 0) c } val sc = new Scanner(System.in) val y = sc.nextInt val m = sc.nextInt val d = sc.nextInt val now = get_calender(y, m, d) val before = get_calender(1989, 1, 8) val after = get_calender(2019, 4, 30) if(now.compareTo(before) >= 0 && now.compareTo(after) <= 0) { println("Yes") } else{ println("No") } }