HW05_TASK02ver3

/*Write a program that shows the sign (+ or -)
 * of the product of three real numbers without
 * calculating it. Use a sequence of if statements.
 */

using System;

class ShowSignOfProductVersion3
{
    static void Main()
    {
        int n;
        do
        {
            Console.Write("Please, enter integer number n = ");
        }
        while (!int.TryParse(Console.ReadLine(), out n));

        int m;
        do
        {
            Console.Write("Please, enter second integer number m = ");
        }
        while (!int.TryParse(Console.ReadLine(), out m));

        int t;
        do
        {
            Console.Write("Please, enter third number t = ");
        }
        while (!int.TryParse(Console.ReadLine(), out t));


        if ((n > 0) && (m > 0))
        {
            if (t > 0)
            {
                Console.WriteLine("+");
            }
            else
            {
                Console.WriteLine("-");
            }
        }
        if ((n > 0) && (m < 0))
        {
            if (t > 0)
            {
                Console.WriteLine("-");
            }
            else
            {
                Console.WriteLine("+");
            }
        }
        if ((n < 0) && (m > 0))
        {
            if (t > 0)
            {
                Console.WriteLine("-");
            }
            else
            {
                Console.WriteLine("+");
            }
        }
        if ((n < 0) && (m < 0))
        {
            if (t > 0)
            {
                Console.WriteLine("+");
            }
            else
            {
                Console.WriteLine("-");
            }
        }
        Main();
    }
}