/* package whatever; // don't place package name! */
 
import java.util.*;
import java.util.stream.*;
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
	{
		Stream<String> fruitStream = Stream.of("apple", "banana", "pear", "kiwi", "orange");
 
		String result = fruitStream.filter(s -> s.contains("a"))
        		   .map(String::toUpperCase)
        		   .sorted()
        		   .collect(Collectors.joining(", "));
 
        System.out.println(result);
	}
}