/*

Joe Smith
98
Barak Obama
97

*/

import java.util.Scanner;

class TestInput_1
{
	public static void main(String[] args)
	{
			Scanner input = new Scanner(System.in);
			String name;
			int score;
			String dummy;
			String name2;
			int score2;

			double average;

			name = input.nextLine();
			score = input.nextInt();

			dummy = input.nextLine();  // consume "\n"
			name2 = input.nextLine();
			score2 = input.nextInt();

			average = (score + score2)/2.;

			System.out.println(name + "\t" + score);
			System.out.println(name2 + "\t" + score2);

			System.out.println("Average: "
				+ average);
	}
}