using System;
using System.Collections.Generic;
using System.Linq;

namespace BonusScoringSystem
{
    class BonusScoringSystem
    {
        static void Main()
        {
            int countOfStudents = int.Parse(Console.ReadLine());
            int countOfLectures = int.Parse(Console.ReadLine());
            int initialBonus = int.Parse(Console.ReadLine());
            List<int> maxBonusPoints = new List<int>();
            var result = 0;
            double result1 = 0;


            for (int i = 0; i < countOfStudents; i++)
            {
                int studentAttendance = int.Parse(Console.ReadLine());
                maxBonusPoints.Add(studentAttendance);
                result = maxBonusPoints.Max();
                var firstPart = (double)result / countOfLectures;
                var secondPart = (5 + initialBonus);


                result1 = (int)Math.Ceiling((double)firstPart * secondPart);

            }


            Console.WriteLine($"Max Bonus: {result1}.");
            Console.WriteLine($"The student has attended {result} lectures.");


        }
    }
}