import java.util.Scanner;
public class Percentagecalculater{
    public static void main(String[]args)
    {
        Scanner S=new Scanner(System.in);
       
        int Hindi=S.nextInt();
        int English=S.nextInt();
        int Maths=S.nextInt();
        int Socialscience=S.nextInt();
        int Science=S.nextInt();
        int Sum= Hindi+English+Maths+Socialscience+Science;
        System.out.println(Sum);
        double Percentage=Sum/5.0d;
        System.out.println(Percentage);
    }
    
}