/*
2022年3月29日14点15分
输入年份、月份、日期，输出这一天是该年份下的第几天。
*/

#include <iostream>
using namespace std;

int run(int year)
{
    if (year % 4 == 0 && year % 100 != 0) return true;
    else if (year % 400 == 0) return true;
    else return false;
}

int result(int year,int month,int day)
{
    int sum = 0, a;
    if (run(year)) a = 29;
    else a = 28;
    switch(month)
    {
        case 1: sum += day; break;
        case 2: sum += 31 + day; break;
        case 3: sum += 31 + a + day; break;
        case 4: sum += 31 + a + 31 + day; break;
        case 5: sum += 31 + a + 31 + 30 + day; break;
        case 6: sum += 31 + a + 31 + 30 + 31 + day; break;
        case 7: sum += 31 + a + 31 + 30 + 31 + 30 + day; break;
        case 8: sum += 31 + a + 31 + 30 + 31 + 30 + 31 + day; break;
        case 9: sum += 31 + a + 31 + 30 + 31 + 30 + 31 + 31 + day; break;
        case 10: sum += 31 + a + 31 + 30 + 31 + 30 + 31 + 31 + 30 + day; break;
        case 11: sum += 31 + a + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + day; break;
        case 12: sum += 31 + a + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + day; break;
    }
    return sum;
}

int main()
{
    int year, month, day;
    cout << "请输入年份：" << endl;
    cin >> year;
    cout << "请输入月份:" << endl;
    cin >> month;
    cout << "请输入日期：" << endl;
    cin >> day;
    cout << "今天是" << year << "的第" << result(year, month, day) << "天" << endl;
    return 0;
}