using System;

public class Program

{

    public static void Main()

    {

        float n1, n2, n3, med;

        Console.WriteLine("Incira nota 1:");

        n1 = float.Parse(Console.ReadLine());

        Console.WriteLine("Incira nota 2:");

        n2 = float.Parse(Console.ReadLine());

        Console.WriteLine("Incira nota 3:");

        n3 = float.Parse(Console.ReadLine());

        med = (n1 + n2 + n3)/3;

        if(med >= 7)

            Console.WriteLine("Aluno aprovado");

        else

            Console.WriteLine("Aluno reprovado");

    }

}