using System;

namespace Arraylesion
{
    class Program
    {
        static void Main(string[] args)
        {
            // int[] numbers = { 500, 100, 55, 44, 33, 192 }; // ctr +k ctr + c

            //Array.Sort(names);

            //foreach (var name in names)
            //{
            //    Console.WriteLine(name);
            //}

            //Array.Reverse(names);

            //foreach (var name in names)
            //{
            //    Console.WriteLine(name);
            //}

            //Console.WriteLine(Array.IndexOf(names, "Andriy"));

            Random rnd = new Random();
            string[] names = { "Andriy", "Ivan", "Taras", "Chyrka", "Babain", "Andriy" };

            int[] marks = { 0, 2, 4, 5, 1, 3 };
            int complexityTask = 0;
            int currentMark = 0;

            string task = Console.ReadLine();

            complexityTask = rnd.Next(0, 100);
            Array.Sort(marks);

            if (complexityTask > 90)
            {
                currentMark = marks[marks.Length - 1];
            }

            else if (complexityTask > 60)
            {
                currentMark = marks[Array.IndexOf(marks, 4)];
            }

            else if (complexityTask > 40)
            {
                currentMark = marks[Array.IndexOf(marks, 3)];
            }

            else if (complexityTask > 20)
            {
                currentMark = marks[Array.IndexOf(marks, 2)];
            }

            else
            {
                currentMark = marks[Array.IndexOf(marks, 1)];
            }

            int randomIndexName = rnd.Next(0, names.Length);
            var name = names[randomIndexName];

            Console.WriteLine("Student " + name + " Task " + task +
                " CurrentMark " + currentMark);
        }
    }
}