Please solve number 18 as simple as possible. Thank you

Read the following program and create object CitiAccount with AccountNumber = "123.789" and FullName = "John Smith" inside of main() function below class BankAccount {private: string AccountNumber: string FullName: public: BankAccount (string n AccountNumber, string name)//constructor {AccountNumber = nAccountNumber; FullName = name;} object CitiAccount with AccountNumber = "123-789" and FullName = "John Smith