/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.util.stream.* ;
 
 
/* 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
	{
 
 
List < String > results = 
    Arrays
    .stream(
        "aa1, aaaa, aaa, a12, a5, 44a44, 3232aa"
        .split( ", " )
    )
    .map(
        string -> 
            string
            .codePoints()  // Returns an `IntStream`
            .filter( Character :: isAlphabetic ) // Eliminate digits, punctuation, etc.
            .count()
            % 2 == 0      // Use modulo to test for even number.
            ?             // Ternary operator. 
                doEven()  // returns a `String` object.
            : 
                doOdd()   // returns a `String` object.
    )
    .collect( Collectors.toList() )
;
 
System.out.println( results ) ;
	}
 
    static String doEven() { return "even" ; } 
 
    static String doOdd() { return "odd" ; } 
}

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