import java.util.Scanner;

/**
 * Program to determine the average of three fractions
 * 
 * @author Steven Karas
 */
public class FractionAverage {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);

		/*
		 * This is a long section of code, so variable names are important. You
		 * can see how this is much better than x1, x2, x3, etc.
		 */
		// get the fractions from the user
		System.out.print("Enter three fractions: ");
		int aNumerator = scan.nextInt();
		int aDenominator = scan.nextInt();
		int bNumerator = scan.nextInt();
		int bDenominator = scan.nextInt();
		int cNumerator = scan.nextInt();
		int cDenominator = scan.nextInt();
		Fraction a = new Fraction(aNumerator, aDenominator);
		Fraction b = new Fraction(bNumerator, bDenominator);
		Fraction c = new Fraction(cNumerator, cDenominator);

		/*
		 * There may be other ways to determine the average. I chose to sum them
		 * up and then divide by 3.
		 * 
		 * Of note here is that I "chained" the calls to Fraction.add(). You
		 * can't always do this, but it can make long blocks of code much
		 * shorter.
		 */
		// determine the sum
		Fraction sum = a.add(b).add(c);

		// divide by 3
		Fraction average = sum.divide(new Fraction(3, 1));

		/*
		 * We can just tell Java to print the Fractions because Fraction has a
		 * special function called toString() that tells it how to format
		 * itself.
		 */
		// output the average
		System.out.println("The average of " + a + ", " + b + ", and " + c
				+ " is " + average);
	}

}