润年的判断

package com.company;
import java.util.Scanner;
public class wy1 {
    public static void main(String[]args) {
        System.out.println("");
        int year;
        Scanner A = new Scanner(System.in);
        year = A.nextInt();
        if ((year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0))
            System.out.println("yes");
        else System.out.println("no");
        }

    }