//
//	List3.java
//
import java.util.Scanner;
public class List3
{	private final int MAX = 50;
	private String[] name;
	private int[] test1;
	private int[] test2;
	private double[] mean;
	private int length;
	public List3()
	{	length = 0;
		name = new String[MAX];
		test1 = new int[MAX];
		test2 = new int[MAX];
		mean = new double[MAX];
	}
	public void insert(String n, int t1, int t2)
	{	name[length] = n;
		test1[length] = t1;
		test2[length] = t2;
		mean[length] = (t1 + t2)/2.0;
		length ++;
	}
	public void print()
	{	for(int i=0; i<length; i++)
			System.out.println(name[i] + " " + mean[i]);
	}
}