#include <iostream.h>
#include <fstream.h>
#include <string.h>
#include <stdlib.h>

void main(int argc, char* argv[]) {
	ifstream myInput(argv[1]);
	char* attribute = new char[100]; // stores the current attribute
	int sum = 0;
	int counter = 0;
  
	// read and process each attribute
	while (myInput >> attribute) {
		switch (counter++ % 3) {
			case 0: cout << "StudentNumber: " << attribute <<'\t';
					break;
			case 1: cout << "LastName: " << attribute << "   " <<'\t';
					break;
			case 2: cout << "Grade: " << attribute << endl;
					// sum the grade of all the records
					sum = sum + atoi (attribute);
		}
	}
	cout << "sum of grades: " << sum << endl;
	myInput.close();
}