using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("enter s1 marks:");

        int s1=Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("enter s2 marks:");

        int s2=Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("enter s3 marks:");

        int s3=Convert.ToInt32(Console.ReadLine());

        if(s1>=35 && s2>=35 && s3>=35)

        {

            Console.WriteLine("THE STUDENT IS PASS");

            int total=s1+s2+s3;

            Console.WriteLine("sotal marks"+total);

            double avg=total/3;

            Console.WriteLine("avg marks"+avg);

        }

        else

        {

            Console.WriteLine("better luck next time");

        }

    }

}