[编程入门]结构体之时间设计

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int y = sc.nextInt();
        int m = sc.nextInt();
        int d = sc.nextInt();
        int day = 0 ;
        int sum = 0;
        for(int i = 1;i<=m-1;i++){    
            if(i==1||i == 3||i==5||i==7||i==8||i==10||i==12){
                day = 31;
            }else if(i == 2){
                if((y%4==0&&y%100!=0)||(y%400 == 0)){
                    day = 29;
                }else{
                    day = 28;
                }
            }else{
                day = 30;
            }
            sum+=day;
        }
        sum+=d;
        System.out.println(sum);
    }
}