Day (0~6) represents the starting position of the first day of each month, stop represents the number of days of each month, and there are two blank spaces between each day. Input different days and s

#include<iostream>
#include<iomanip>

using namespace std;

int main()
{
    int day, stop;
    int date = 1;
    cout << " Enter the location of the first day of each month :";
    cin >> day;
    cout << " Enter the number of days per month ：";
    cin >> stop;
    cout << "  Sun  Mon  Tue  Wed  Thu  Fri  Sat\n";
    if (day != 0)
        cout << setw(day * 5) << " ";
    while (date <= stop)
    {
        cout << setw(5) << date;
        date++;
        if ((date + day) % 7 == 1)
            cout << "\n";
    }

    return 0;
}