1927. Count

单点时限: 2.0 sec

内存限制: 256 MB

This problem is strictly to acclimate teams to the contest environment. We strongly suggest you first finish this problem, and then attempt the more complex practice problem.

输入格式

The input file will contain an unknown number of lines with at most 100 characters on each line. All the characters will be printable ASCII characters. Note that the input file will always exist, but may be empty.

输出格式

The number of lines in the input file.

样例

Input
one
and two
three
Output
3

96 人解决,105 人已尝试。

115 份提交通过,共有 151 份提交。

1.9 EMB 奖励。

创建: 12 年,10 月前.

修改: 3 年,2 月前.

最后提交: 1 周,5 天前.

来源: Rocky Mountain 2006

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