public static String parseSum( String s, String var )
    {
        String[] st = s.split( "\\+" );
        String ss = "";
        String str = "Even " + var + ": [ ";
        for( int i = 0; i < st.length; ++i )
        {
            ss = parseEven( st[i], var );
            if( !ss.equals( "" ) )
            {
                str += ( ss + ", " );
            }
        }
        str = str.substring( 0, str.length() - 2 );
        str += " ];\nOdd " + var + ": [ ";
        for( int i = 0; i < st.length; ++i )
        {
            ss = parseOdd( st[i], var );
            if( !ss.equals( "" ) )
            {
                str += ( ss + ", " );
            }
        }
        str = str.substring( 0, str.length() - 2 );
        str += " ];";
        return str;
    }