import java.util.Scanner; class YearIf{ public static void main (String [] args){ Scanner scanner = new Scanner(System.in); System.out.print("Year="); int Year = scanner.nextInt(); if(Year % 4 == 0){ if(Year % 400 ==0){ System.out.println(Year+"年是闰年"); }else if(Year % 100 != 0){ System.out.println(Year+"年是闰年"); } }else{ System.out.println(Year+"年是平年"); } } }