using System;

public class Program

{   

    public static void Main()

    {       

        float[] values = 

        {

         12, 43, 345, 2, 145, 6, 5, 88, 9

        };

        float average = 0;

        for(int c = 0; c < values.Length; c++)

        {

         average += values[c];

        }

        Console.WriteLine(average / values.Length);

    }

}