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