// reading_and_writing_files.cpp

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

int main()
{
	// *********** declaration statements *************
	int weight = 0;
	int height = 0;
	int totalWeight = 0;
	int totalHeight = 0;
	int numStudents = 0;
	ifstream infile("C:/Documents and Settings/*****/Desktop/data.txt"); // fill in the asterisks with your PSU username

	// ************ input statements ******************
	while (!infile.eof())
	{
		infile >> weight; 
		totalWeight += weight;
		
		infile >> height;
		totalHeight += height;
		
		numStudents++;
	}

	ofstream outfile;
	outfile.open("C:/Documents and Settings/*****/Desktop/output.txt");
	// or ofstream outfile("C:/Documents and Settings/*****/Desktop/output.txt");

	outfile << "ave weight: " << double (totalWeight)/numStudents << endl;
	outfile << "ave height: " << double (totalHeight)/numStudents << endl;

	infile.close();
	outfile.close();

	return 0;
}// end of main