Cody competes with Cinderella. In each game, the winner gets W points, and the loser gets L points. W and L are natural numbers. Cody has a total score of 22, and Xiandi has a total score of 13. If Xiandi only wins one game, W=how much.
科迪与仙迪竞赛，每场比赛中，胜者得W分，败者得L分，W和L是自然数．科迪总分22，仙迪总分为13．若仙迪只胜了一场，W=多少．
<result>5</result>