#include <iostream.h>

class Account {
private:
  long _balance;
public:
  Account() {
    _balance=0;
  }

  void deposit( long amount ) { _balance += amount; }
  void withdraw (long amount ) { _balance -= amount; }
  long balance(void) { return _balance; }
};



int main( int argc, char *argv[] )
{
  Account a;

  a.deposit( 700 );
  a.withdraw( 250 );
  cout << "Balance is " << a.balance() << endl;

  return 0;
}