打渔还是晒网

#include <iostream>
using namespace std;
class Date
{
public:
    int year;
    int month;
    int day;
};
bool runnian(Date&d)
{
    if ((d.year % 4 == 0 && d.year % 100 != 0) || d.year % 400 == 0)
    {
        return true;
    }
    else
    {
        return false;
    }
}
bool runnian(int x)
{
    if ((x % 4 == 0 && x % 100 != 0) || x % 400 == 0)
    {
        return true;
    }
    else
    {
        return false;
    }
}
int main()
{
    Date d1;
    int a[13] = { 0,31,28,31,30,31,30,31,31,30,31,30,31 };
    int count = 0;  //用来保存相隔的天数
    cin >> d1.year;
    cin >> d1.month;
    cin >> d1.day;
    for (int i = 1990; i < d1.year; i++)
    {
        if (runnian(i))
        {
            count = count + 366;
        }
        else
        {
            count = count + 365;
        }
    }
    for (int i = 0; i < d1.month; i++)
    {
        count = count + a[i];
    }
    count = count + d1.day;
    if (count % 5 == 1 || count % 5 == 2 || count % 5 == 3)
    {
        cout << "今天打鱼" << endl;
    }
    else
    {
        cout << "今天晒网" << endl;
    }

    return 0;
}