// Date Diffrence in days //

#include <iostream>
using namespace std;


long int year_high;
long int year_low;
long int leap_number;
long int days_in_years;
long int month_high;
long int month_low;
int day_low;
int day_high;
long int total_days;
int months[] = {31,59,90,120,151,181,212,243,273,304,334,365}; //month days in array
int main () {

    cout << "Please Enter dates in format dd mm yyyy " << "\n";
    cin >> day_high >> month_high >> year_high ;
    cin >>  day_low >> month_low >> year_low;

    for (int i = year_low; i < year_high;i++){// for loop will stop when all leap years are worked out
        if(i % 400 ==0 || (i % 100 != 0 && i % 4 == 0)) // year is / by 400, and if it is not / 100 but also / by 4
             leap_number++; }


    month_high = months[month_high-1]; //calling days from array
    month_low = months[month_low-1 ];

    days_in_years = (year_high - year_low) * 365; // working out number of years, then convert to day
    total_days = ((month_high - month_low) + (day_high - day_low)  + days_in_years + leap_number);

    cout << "Total Days Diffrence is " << total_days <<"\n";

return (0);
}