For each case, output sum (n) in one line, followed by a blank line. You may assume the result will be in the range of 32-bit signed integer.

对于每一种情况，SUM在空白行之后的单独的一行输出。假定所有的结果都在有符号的32位整型范围之内。

youdao

The rabies virus glycoprotein (GP) can assume at least three different conformational states: the natural state (n), the activated (a) hydrophobic state and the fusion-inactive (I) state.

狂犬病病毒糖蛋白至少有三种不同构型：自然形式(N)、激活的水溶性状态(A)和融合灭活构型(I)。

youdao

The author writes this more technically a little further on: "Assume that the birthdays of n people are uniformly distributed among 365 days of the year."

更技术化一点的说法是：“假设这n 个人的生日平均分布于一年的365 天中。”

youdao

General Keen says U.S.troops are working to assume more responsibility for aid distribution, which will allow U.N.peacekeepers in Haiti to focus on security concerns.

VOA: standard.2010.01.18