OddEvenSum

using System;
namespace OddEvenSum
{
    class OddEven
    {
        static void Main()
        {
            int n =  int.Parse(Console.ReadLine());
            int sumOdd = 0;
            int sumEven = 0;
            bool odd = true;
            for (int i = 0; i < 2*n; i++)
            {
                int numbers = int.Parse(Console.ReadLine());
                if (odd)
                {
                    sumOdd = sumOdd + numbers;
                }
                else
                {
                    sumEven = sumEven + numbers;
                }
                odd = !odd;
            }
            if ( sumOdd == sumEven)
            {
                Console.WriteLine("Yes, sum={0}" , sumOdd);
            }
            else
            {
                int diff = Math.Abs(sumOdd - sumEven);
                Console.WriteLine("No, diff={0}" , diff);
            }
        }
    }
}