Проблем със задача 6 от изпита PB от 6-7 юли 2019

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace GameOfNames
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            int MaxPoints = int.MinValue;
            string firstPlayername = "";
            string secondPlayername = "";
            int pointsFirstplayer = 0;
            int pointsSecondplayer = 0;
            while (input != "Stop")
            {
                for (int i = 0; i < input.Length; i++)
                {
                    int num = int.Parse(Console.ReadLine());
                    if (num == input[i])
                    {
                        pointsFirstplayer += 10;
                    }
                    else
                    {
                        pointsFirstplayer += 2;
                    }
                }
                if (pointsFirstplayer >= MaxPoints)
                {
                    MaxPoints = pointsFirstplayer;
                    firstPlayername = input;
                }
                input = Console.ReadLine();
                if (input == "Stop")
                {
                    break;
                }
                for (int i = 0; i < input.Length; i++)
                {
                    int num = int.Parse(Console.ReadLine());
                    if (num == input[i])
                    {
                        pointsSecondplayer += 10;
                    }
                    else
                    {
                        pointsSecondplayer += 2;
                    }
                    secondPlayername = input;

                    if (input == "Stop")
                    {
                        break;
                    }
                }
                input = Console.ReadLine();
            }

                if (pointsFirstplayer > pointsSecondplayer)
                {
                    Console.WriteLine($"The winner is {firstPlayername} with {pointsFirstplayer} points!");
                }
                else if (pointsFirstplayer < pointsSecondplayer)
                {
                    Console.WriteLine($"The winner is {secondPlayername} with {pointsSecondplayer} points!");
                }
                else if (pointsFirstplayer == pointsSecondplayer)
                {
                    Console.WriteLine($"The winner is {secondPlayername} with {pointsSecondplayer} points!");
                }
        }
    }
}