public class LeapYear {
public static void main(String[] args) {
for (int i = 1000; i >= 0; i--) {
if (i % 4 == 0 && i % 100 != 0 || i % 400 == 0)
System.out.println("公元前" + i + "年是闰年");
}
for (int i = 1; i < 2017; i++) {
if (i % 4 == 0 && i % 100 != 0 || i % 400 == 0)
System.out.println("公元" + i + "年是闰年");
}
}
}