杭电 2005 ( 第几天？ ) java

import java.util.Scanner;

public class Main {

public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int d[] = {0, 31, 28, 31, 30, 31, 30, 31, 30, 31, 30, 31};

while (sc.hasNext()) {
String s = sc.next();

int days = 0;
int year, month, day;

String[] str = s.split("/");
year = Integer.parseInt(str[0]);
month = Integer.parseInt(str[1]);
day = Integer.parseInt(str[2]);
if (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0) && month > 2) {
days++;
}
for (int i = 0; i < month; i++) {
days = days + d[i];
}
days += day;

System.out.println(days);
}
}
}