class CurrencyAcc: public Account{

public:

CurrencyAcc (long int ac1, long int ac2, double bal1, double bal2)  {

    accDollar=ac1;
    balDollar=bal1;
    accEuro=ac2;
    balEuro=bal2;
}};

class Account{

friend class CurrencyAcc;

public:
    Account (string nm, long int acc, double bal){
        name=nm;
        accountNumber=acc;
        balance=bal;
    }};