/* 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 x = new Scanner(System.in);

	    int soma = 0;
	    int posicao = 0;
	    double [] numeros = new double [20];
	    System.out.println("Digite 20 números para obter a média dos mesmos:");
	
	    while (posicao < numeros.length){
	        numeros [posicao] = x.nextDouble();
	        posicao++;          
	    }
	    
	    double media = Arrays.stream(numeros).average().getAsDouble();
	    System.out.println("Média " + media + "\nNumeros abaixo da média:\n");
	    
	    Arrays.stream(numeros).filter(num->num < media).forEach(num->System.out.println(num));

	}
}