//
//	CS212 Review #6
//
//	Author: ???
//	Instructor: John Wang
//
//	Goal: Thie progrsm will read a file containing scores and name ...
//

import java.util.Scanner;
import java.text.DecimalFormat;
class Review_6
{
	public static void main(String[] args)
	{
		DecimalFormat f1 = new DecimalFormat("0.0");
		Scanner input = new Scanner(System.in);

		int s1 = input.nextInt();
		int s2 = input.nextInt();
		int s3 = input.nextInt();
		String dummy = input.nextLine();	// consume “\n”
		String name = input.nextLine();

		System.out.println(name);
		double avg = (s1 + s2 + s3)/3.0;
		System.out.println(f1.format(avg));

		System.out.println("Done.");
	}
}