import element.*;
import structure.*;

public class Average
{
    public static void main(String args[])
    {
        ConsoleWindow c = new ConsoleWindow();
        int i,n;
        double sum = 0.0;
        double average;
                
        c.out.println("Enter a positive integer:");
        n = c.input.readInt();

        for(i = 1; i < n+1; i++){
            sum += c.input.readDouble();
        }
        average = sum/n;
        c.out.println("The average is "+average);
    }
}