分支-13. 计算天数

import java.util.Scanner; 
public class Main 
{
    public static void main(String[] args)
    {
    Scanner input = new Scanner(System.in);
    String inputs = input.nextLine();
    String[] date = inputs.split("/");
    int length = date.length;
    int d[] = new int[length];
    for(int i = 0;i < length;i++)
       d[i] = Integer.parseInt(date[i]);
    int sum = 0;
    for(int j = 1;j < d[1];j++)
    {
        switch(j)
        {
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12:sum += 31;break;
            case 4:
            case 6:
            case 9:
            case 11:sum += 30;break;
            case 2:
                if(d[0] % 4 == 0 && d[0] % 100 != 0 || d[0] % 400 == 0)
                    sum += 29;
                else
                    sum += 28;
        }
    }
    System.out.print(sum + d[2]);
    }
}