using System;

public class Program

{

    public static void Main()

    {

        //int[]numbers = {-1,-2,-3,-4,0,1,2,3,4,10};

        //foreach(int number in numbers) 

        //{

            //if(number>0) {

                //Console.WriteLine(number);

            //}

        //}

        int i = 1;

        int[]numbers = {-1,-2,-3,-4,-5};

        foreach(int number in numbers) 

        {

            i= i * number;

            Console.WriteLine(i);

        }

    }

}