namespace pers
{
	const int LEN=40;
	struct Person
	{
		char fname[LEN];
		char lname[LEN];
	};
	void getPerson(Person &);
	void showPerson(const Person &);
}
namespace debts
{
	using namespace pers;
	struct Debt
	{
		Person name;
		double amount;
	};
	void getDebt(Debt &);
	void showDebt(const Debt &);
	double sumDebt(const Debt ar[],int n);
}

