1 import java.util.Scanner; 2 public class 闰年问题 { 3  4     public static void main(String[] args) { 5         // TODO Auto-generated method stub 6  7         Scanner scanner=new Scanner(System.in); 8         long year=scanner.nextInt(); 9         if(((year%4==0)&&(year%100!=0))||(year%400==0)) {10             System.out.print('Y');11         }else {12             System.out.print('N');13         }14     }15 16 }