using System;

public class Program

{

    public static void Main()

    {

        //declarar variables y constantes 

        float cal1, cal2, cal3,cal4, cal5, calt;

        //ENTRADA DE DATOS 

        Console.WriteLine("introduce cal1");

        cal1=float.Parse(Console.ReadLine());

        Console.WriteLine("introduce cal2");

        cal2=float.Parse(Console.ReadLine());

        Console.WriteLine("introduce cal3");

        cal3=float.Parse(Console.ReadLine());

        Console.WriteLine("introduce cal4");

        cal4=float.Parse(Console.ReadLine());

        Console.WriteLine("introduce cal5");

        cal5=float.Parse(Console.ReadLine());

        //proceso 

        calt= ((cal1+cal2+cal3+cal4+cal5)/5);

        if (calt < 7)

        {

            Console.WriteLine("lo siento, fallaste");

    }

        else 

        {

            Console.WriteLine("lo lograste");

        }

    }

}