08. Equal Pairs

using System;

namespace EqualPairs

{
    class Program
    {
        static void Main(string[] args)
        {
            int num = int.Parse(Console.ReadLine());
            int equalValue = int.Parse(Console.ReadLine()) + int.Parse(Console.ReadLine());
            int maxdiff = 0;

            for (int i = 0; i < num - 1; i++)
            {
                int currentValue = int.Parse(Console.ReadLine()) + int.Parse(Console.ReadLine());
                int currentDiff = Math.Abs(equalValue - currentValue);

                if (currentDiff > maxdiff)
                {
                    maxdiff = currentDiff;
                }
                else
                {
                    equalValue = currentValue;
                }
            }
            if (maxdiff == 0)
            {
                Console.WriteLine($"Yes, value={ equalValue}");
            }
            else
            {
                Console.WriteLine($"No, maxdiff={ maxdiff}");
            }
        }
    }
}