#include?

using?namespace?std;

class?TBankAccount
{
public:
	TBankAccount?（string?name?string?acc_num?unsigned?balance）;

	void?showName?（void）?const;
	void?showAccNum?（void）?const;
	void?showBalance?（void）?const;

	void?incDeposit?（unsigned?amount）;
	void?decDeposit?（unsigned?amount）;

private:
	string		m_name;
	string		m_acc_num;
	unsigned	m_balance;
};

TBankAccount::TBankAccount?（string?name?string?acc_num?unsigned?balance）
{
	m_name?=?name;
	m_acc_num?=?acc_num;
	m_balance?=?balance;
}

void
TBankAccount::showName?（void）?const
{
	cout?<}

void
TBankAccount::showAccNum?（void）?const?
{
	cout?<}

void
TBankAccount::showBalance?（void）?const
{
	cout?<}

void
TBankAccount::incDeposit?（unsigned?amount）
{
	m_balance?+=?amount;
}

void
TBankAccount::decDeposit?（unsigned?amount）
{
	if?（m_balance?<=?amount）?{
		m_balance?=?0;
	}?else?{
		m_balance?-=?amount;
	}
}

int
main?（void）?
{?????
	TBankAccount	yangyang（“yangyang“?“1“?1024）;
	yangyang.showName（）;
	cout?<	yangyang.showAccNum（）;
	cout?<	yangyang.showBalance（）;
	cout?<
	yangyang.incDeposit（128）;
	cout?<	yangyang.showBalance（）;
	cout?<
	yangyang.decDeposit（2048）;
	cout?<	yangyang.showBalance（）;
	cout?<

	cout?<	return?（0）;
}?