/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner input = new Scanner(System.in);
		String[] nomes = new String[5];
		double[] notas = new double[5];
		double media=0, soma = 0;

		for (int c = 0; c < nomes.length; c++) {
			System.out.println("Informe um nome:");
			nomes[c] = input.next();
			System.out.println("Informe a nota:");
			notas[c] = input.nextDouble();
			soma = soma + notas[c];

		}
		media = soma / 5;
		System.out.println("A media da turma é: " + media);
	}
}