33. Equal Pairs

using System;
using System.Numerics;

public class EqualPairs
{
    static void Main()
    {
        BigInteger n = BigInteger.Parse(Console.ReadLine());
        BigInteger pairValue = 0;
        BigInteger pairMaxValue = BigInteger.Parse("-999999999999999999999999999999999999999999999");
        BigInteger pairMinValue = BigInteger.Parse("999999999999999999999999999999999999999999999");
        BigInteger pairDiff = 0;

        if (n == 0)
        {
            Console.WriteLine($"Yes, value=0"); return;
        }


        byte y = 0;

        for (BigInteger i = 1; i <= n * 2; i++)
        {
            if (y == 0) // This is the first number in pair
            {
                pairValue += BigInteger.Parse(Console.ReadLine());
                y = 1;
                continue;
            }


            if (y == 1) // This is the second number in pair
            {
                pairValue += BigInteger.Parse(Console.ReadLine());
                if (pairMinValue > pairValue)
                {
                    pairMinValue = pairValue;
                }

                if (pairMaxValue < pairValue)
                {
                    pairMaxValue = pairValue;
                }

                y = 0;
                pairValue = 0;
                continue;
            }
        }

        BigInteger diff = pairMaxValue - pairMinValue;
        if (diff < 0)
        {
            diff = diff * -1;
        }

        if (pairMinValue == pairMaxValue)
        {
            Console.WriteLine($"Yes, value={pairMaxValue}");
        }
        else
        {
            Console.WriteLine($"No, maxdiff={diff}");
        }
    }
}