SpamSum.match() get error value

[ShiverZm]

 SpamSum ssCalc = new SpamSum();

        int score2 = ssCalc.match("3:TKQWaHMne5fIAw+99NUes7Aevv3vn:HWaHwe5ZvSr3v", "3:TKQWaHMne5fIAw+99NUes7Aevv3vn:HWaHwe5ZvSr3v");
        System.out.println(score2);

result:43

and real value is 100.

please help.