#include <iostream>
#include <iomanip>

using std::cout;
using std::cin;
using std::endl;
using std::ostream;
using std::istream;
using std::setw;

class PhoneNumber {
friend ostream &operator<<(ostream&, const PhoneNumber&);
friend istream &operator>>(istream&, PhoneNumber&);
public:
private:
	char areaCode[4];
	char exchange[4];
	char line[5];
};

ostream &operator<<(ostream& output, const PhoneNumber& num)
{
	output << " (" << num.areaCode << ") " << num.exchange << "-" << num.line;
	return output;
}

istream &operator>>(istream& input, PhoneNumber& num)
{
	input.ignore(2);					// skip SPACE + (
	input >> setw(4) >> num.areaCode;	// read area code + NULL
	input.ignore(2);					// skip ( + space
	input >> setw(4) >> num.exchange;	// read exchange + NULL
	input.ignore();						// skip -
	input >> setw(5) >> num.line;		// read line + NULL
	return input;						// allows cascading >>
}

int main(int argc, char* argv[])
{
	PhoneNumber phone;

	cout << "Enter phone number '(123) 456-7890' format : ";

	cin >> phone;

	cout << "You entered " << phone << "!  Isn't this neat!" << endl;

	return 0;
}