#include <iostream>
#include <string>
#include <fstream>
using namespace std;
struct Employee
{
    string surname;
    int day;
    double tariff;
};
int main()
{
    Employee employees[5];
    ifstream f;
    int k = 0, ch, n, summa = 0;
    string outputPath;

    f.open("1.txt");
    while (!f.eof())
    {
        f >> employees[k].surname >> employees[k].day >> employees[k].tariff;
        cout << employees[k].surname << "  " << employees[k].day << "  " << employees[k].tariff << endl;
        k++;
    }
    f.close();
    bool b = true;
    double sumOfSalaries=0;

    while (b == true)
    {
        cout << "1 - change, 2 - save, 3 - summa, 4 - end" << endl;
        cin >> ch;
        switch (ch)
        {
        case 1:
            cout << "nomer stroki 0-" << k - 1 << endl;
            cin >> n;
            cout << "Vvedite novie znacneiya" << endl;
            cout << "surname" << endl;
            cin >> employees[n].surname;
            cout << "day" << endl;
            cin >> employees[n].day;
            cout << "tariff" << endl;
            cin >> employees[n].tariff;
            break;
        case 3:
            sumOfSalaries=0;
            for(int i =0 ; i<k; i++)
            {
                sumOfSalaries+=employees[i].tariff * employees[i].day;
            }
            cout << "total salary of all employees = " <<  sumOfSalaries << endl;
            break;
        case 4:
            b = false;
            break;
        case 2:
            cout << "vvedite pyt sohraneniya" << endl;
            cin >> outputPath;
            ofstream fo;
            fo.open(outputPath.c_str());
            for (int i = 0; i < k; i++)
            {
                fo << employees[i].surname << "  " << employees[i].day << "  " << employees[i].tariff << endl;
            }
            fo.close();
            break;


        }
    }
    return 0;
}