#include #include "sales_data.hpp" /* * * 2.41 - 1.21 * * */ using std::cout; using std::cin; using std::endl; int main () { SalesData book1; SalesData book2; if(cin >> book1.BookNo >> book1.UnitsSold >> book1.Revenue) { while(cin >> book2.BookNo >> book2.UnitsSold >> book2.Revenue) { if(book1.BookNo != book2.BookNo) { cout << "These books do not have the same ISBN" << endl; continue; } cout << book1.BookNo << " " << book1.UnitsSold + book2.UnitsSold << " " << book1.Revenue + book2.Revenue << endl; } } else { cout << "Error!" << endl; return -1; } return 0; }