using System;

public class Program

{

    public static void Main()

    {

        //Luisa Fernanda faltan poner GOOD, YOU PASSED or SORRY, YOU FAILED y como poner average codigo tambien pregunta de como viene el examen sus practicas

        string name;

        int school;

        int average=0;

        Console.WriteLine("Hello! I´ll help you to check your average. What´s your name?");

        name=Console.ReadLine();

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

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

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

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

        {

        if (i == 1)

        {

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

        average+= int.Parse(Console.ReadLine());

        }

        else if (i == school)

        {

        Console.WriteLine("Write the result of the last class");

        average+= int.Parse(Console.ReadLine());

        }

        else 

        {

        Console.WriteLine("Write the result of the next class");

        average+= int.Parse(Console.ReadLine());

        }

        if (average < 70)

        {

        Console.WriteLine("YOU PASSED");

        }

        else if (average > 70)

        {

        Console.WriteLine("YOU FAILED");

        }   

        }

        // hacer eso promedio=suma entre numero

        Console.WriteLine("Your average is: " + average);   

    }

}