// reading_from_file

#include <iostream>
#include <fstream>
using namespace std;

int main()
{
	// *********** declaration statements *************
	int length = 0;
	int width = 0;
	int perimeter = 0;
	ifstream infile("C:/Temp/data.txt");

	// ************ input statements ******************
	infile >> length; 
	infile >> width;

	perimeter = length * 2 + width * 2;
	cout << "perimeter of rectangle: " << perimeter << endl;

	return 0;
}// end of main