Odd_and_Even_Product

using System;

namespace Odd_and_Even_Product
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int oddSum = 1;
            int evenSum = 1;
            for (int i = 1; i <= n; i++)
            {
                int num = int.Parse(Console.ReadLine());
                if (i % 2 != 0)
                {
                    oddSum *= num;
                }
                else
                {
                    evenSum *= num;
                }
            }
            if (oddSum == evenSum)
            {
                Console.WriteLine($"yes {oddSum}");
            }
            else
            {
                Console.WriteLine($"no {oddSum} {evenSum}");
            }
        }
    }
}