using System;

public class Program

{

    public static void Main()

    {

        // Sofia Gonzalez 

        string name; 

        int classes;

        int s = 0;

        int b;

        Console.WriteLine("Hey! I'll help you to calculate your average");

        Console.WriteLine("What's your name?");

        name = Console.ReadLine();

        Console.WriteLine("Nice to meet you, "+name+"!");

        Console.WriteLine("Now, "+name+", how many classes do you have?");

        classes = int.Parse(Console.ReadLine());

        for ( int i = 1; i<= classes; i++)

        {

        if ( i == 1)

        {

        Console.WriteLine("Please write the result of the first class");

        b = int.Parse(Console.ReadLine());

            s += b;

            {

                if ( b > 69)

                    Console.WriteLine("Yeii! You passed!");

                    else

                    Console.WriteLine("Oh no you failed!");

            }

        }

        else

        {

        Console.WriteLine("Please write te result of the next class");

        b = int.Parse(Console.ReadLine());

            s += b;

        {

            if ( b > 69)

            Console.WriteLine("Yeii! You passed!");

            else 

            Console.WriteLine("Oh no! you failed!");

            }

        }

    }       

    Console.WriteLine("Ok, your average is:"+s /classes);       

    }

}