题目网址: http://www.puzzleup.com/2014/
http://www.puzzleup.com/2014/puzzle/?243
答题时限: ８月７日７ＰＭ－比赛结束（约12月17日）
加分时限: ８月７日７ＰＭ－８月13日６：５９ＰＭ
答对可得基本分１００分。答案可上传５次，每改１次答案从基本分扣２０分。
比赛期间内可随时上传答案，加分时限内答对第ｎ天加（６－ｎ）分
另依题目的难易有额外加分（如有８０％的人这题答错，答对者加８０分）
◆Sum and Product
There are three integers such that 0<x<y<z<16. The sum of these numbers is
given to the mathematician A, and the product is given to the mathematician
B. These conditions are known by A, and B, and their task is to find these
three numbers. They make the following conversation:
A:"I can't find the numbers, and I can see that you can't find either."
B:"This is a helpful information, but still I can't find the numbers."
A:"Now I can find the numbers.”
What are the numbers?
Enter the values of x, y, z separated with commas.
有三个整数 x, y, z 满足 0 < x < y < z < 16。
这些数的和给了数学家 A，而这些数的积给了数学家 B。
A 和 B 也都知道这个条件，而他们想要找出这三个数。
他们有了如下的对话：
A：“我不知道答案，而且我可以确定你也不知道。”
B：“这讯息很有帮助，但我还是不知道。”
A：“这样的话我就知道了。”
试问此三数为何？
以 x,y,z 的格式作答，三数中间以逗号分隔。