ocenki, trudna

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

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            int maxFail = int.Parse(Console.ReadLine());
            int fail = 0;
            int solved = 0;
            double gradesSum = 0;
            string last = "";
            bool isFailed = true;

            while (fail < maxFail)
            {
                string name = Console.ReadLine();
                if ("Enough" == name)
                {
                    isFailed = false;
                    break;
                }
                int grade = int.Parse(Console.ReadLine());
                if (grade <= 4)
                {
                    fail++;
                }
                gradesSum += grade;
                solved++;
                last = name;
            }
            if (isFailed)
            {
                Console.WriteLine($"Tup si. Imash {fail} greshki.");
                Console.WriteLine("Probvai pak tupson");
            }
            else
            {
                Console.WriteLine("Mn dobre maniashki!");
                Console.WriteLine($"sredniq ti e: {gradesSum/solved:F2}. Obshto reshi tolkoz: {solved}. Poslednata ti zadacha beshe: {last}.");
            }

        }
    }
}