In a game, 7 points are awarded for a win, 5 points for a tie, and 0 points for a loss. No matter how many games Xiao Ming plays, there are always points that he cannot get. There are several types of points that cannot be obtained.
一种游戏胜一局得7分，平一局得5分，败一局得0分，小明无论玩多少局，总有得不到的分数，共有几种分数不能得到．
<gadget id="calculator">4 + 1 + 2 + 1 + 1 + 1 + 1 + 1</gadget>
<output>12</output>

<result>12</result>