Classes 5 and 6 participate in a certain sports competition in the school. Each athlete has an entry number. number of digits. Then the maximum number of players in the two classes.
五班和六班参加学校的某项体育比赛，每个运动员有一个参赛号，五班队员的参赛号是数码和为15的两位数；六班队员的参赛号是数码和为22的三位数．则两个班参赛队员最多共有多少人．
<gadget id="calculator">4 + 21</gadget>
<output>25</output>

<result>25</result>