class BankAccount
{

private:
   double balance;

public:

   BankAccount()
   {
      balance = 0;
   }

   BankAccount(double x)
   {
      balance = x;
   }

   void deposit(double amount)
   {
       balance = balance + amount;
   }

   void withdraw(double amount)
   {
       balance = balance - amount;
   }

   double getBalance()
   {
       return(balance);
   }
};