// Read two fractions and perform op


import java.util.Scanner;
public class TwoFracOp
{
	public static void main(String[] args)
	{
		Scanner input=new Scanner(System.in);

		System.out.print("Input the 1st fraction: ");
		String str = input.next();
		String[] parts = str.split("/", 2);

		int n = Integer.parseInt(parts[0]);
		int d = Integer.parseInt(parts[1]);

		Fraction frac1 = new Fraction(n, d);

		System.out.print("Input the 2nd fraction: ");
		str = input.next();
		parts = str.split("/", 2);
		n = Integer.parseInt(parts[0]);
		d = Integer.parseInt(parts[1]);

		Fraction frac2 = new Fraction(n, d);

		System.out.print("\nWhat op? (+, -, *, /): ");
		String op = input.next();
		Fraction result = new Fraction();

		if(op.equals("+"))
			result = frac1.add(frac2);


		// out the formula
		System.out.print("\n\n");
		frac1.writeOut();
		System.out.print(" " + op + " ");
		frac2.writeOut();
		System.out.print(" = ");
		result.writeOut();
		System.out.print("\n\n");

	}
}