using System;

public class Program

{

    public static void Main()

    {

       Console.Write("Input size of array: ");

       int n= Convert.ToInt32(Console.ReadLine()); 

       int[]   arr1=new int[n]; 

  for(int i=0;i<n;i++)

  {

     Console.Write("Enter value: ");

      arr1[i] =Convert.ToInt32(Console.ReadLine());

      }

        int prod = 1;

foreach (int value in arr1)

{

    prod *= value;

}

        Console.WriteLine("Product of array is: " + prod);

  }     

    }

​