Five children A, B, C, D and E participated in the "Happy Reading Pinyin" competition, and they stood in a row when playing. They have each player's number plate on their chests, and the sum of the five numbers equals 35. It is known that the sums of the numbers of the players standing on the right of E, D, A, and C are 13, 31, 21, and 7, respectively. What is the sum of the numbers of players A, C, and E?
五个小朋友A、B、C、D和E参加"快乐读拼音"比赛，上场时五个人站成一排．他们胸前有每人的选手编号牌，5个编号之和等于35．已知站在E、D、A、C右边的选手的编号的和分别为13、31、21和7．那么A、C、E三名选手编号之和是多少．
<gadget id="calculator">35 - 31</gadget>
<output>4</output>

<gadget id="calculator">7 + 4</gadget>
<output>11</output>

<gadget id="calculator">35 - 11</gadget>
<output>24</output>

<result>24</result>