using System;

class whatIsTheSign
{
    static void Main()
    {
        Console.Write("Enter first number:");
        double num1 = double.Parse(Console.ReadLine());
        Console.Write("Enter second number:");
        double num2 = double.Parse(Console.ReadLine());
        Console.Write("Enter third number:");
        double num3 = double.Parse(Console.ReadLine());

        bool isZero = (num1 == 0) || (num2 == 0) || (num3 == 0);

        bool isPlus = (((num1 > 0) && (num2 < 0) && (num3 < 0)) ||
                      ((num1 < 0) && (num2 > 0) && (num3 < 0))  ||
                      ((num1 < 0) && (num2 < 0) && (num3 > 0)))
                      ||
                      (num1 > 0 && num2 > 0 && num3 > 0);
           
            //next bool can be missed
        bool isMinus = ((num1 < 0 && num2 > 0 && num3 > 0) ||
                       (num1 > 0 && num2 < 0 && num3 > 0)  ||
                       (num1 > 0 && num2 > 0 && num3 < 0)) 
                       ||
                       (num1 < 0 && num2 < 0 && num3 < 0);
        if (isZero)
        {
            Console.WriteLine("The product will be 0");
        }
        else if (isPlus)
        {
            Console.WriteLine("The product will be +");
        }
        else
        {
            Console.WriteLine("The product will be -");
        }
    }
}