//  This program prompts the user for input and output file names.  The input file
//  contains an unknown number of sets of 2 integers.  For each set of integers, the sum
//  and product is calculated and the result output, in equation form, to the output file.


#include <iostream>
#include <fstream>

using namespace std;

int main()
{
	char filename[40];
	int x, y;
	ifstream fin;
	ofstream fout;

	cout << "Input file name: " ;
	cin >> filename;
	fin.open(filename);
	if (!fin)
	{
		cout << endl << "Could not open input file" << endl;
		return 1;
	}

	cout << endl << "Output file name: " ;
	cin >> filename;
	fout.open(filename);

	if (!fout)
	{
		cout << endl << "Could not open output file" << endl;
		return 1;
	}

	while (fin >> x >> y)
	{
		fout << x << " + " << y << " = " << x + y;
		fout << x << " * " << y << " = " << x * y << endl;
	}
	fin.close();
	fout.close();

	return 0;
}