Телефонные тарифы

#include <iostream>
#include <conio.h>
#include <math.h>
#include <string>
#include <algorithm>
#include <set>

using namespace ::std;

int main()
{
    int basicN, basicC, combN, combT, combC, unlimN, N, combprom;
    int ss,mm, Time=0, j = 1;

    cin >> basicN >> basicC;
    cin >> combN >> combT >> combC;
    cin >> unlimN;
    cin >> N;

    for (int i = 1; i <= N; i++)
    {
        scanf_s("%d:%d", &mm, &ss);
        if (mm != 0)
        {
            if (ss != 0)
                Time = Time + mm + 1;
            else
                Time = Time + mm;
        }
        else
            if (ss > 6 && mm == 0)
                Time = Time + 1;
    }

    combprom = Time - combT;
    if (combprom < 0)
        combprom = 0;

    cout << "Basic:     " << basicN + Time*basicC << endl;
    cout << "Combined:  " << combN + combC*combprom << endl;
    cout << "Unlimited: " << unlimN;

    _getch();
    return 0;
}