题号：NC237055
时间限制：C/C++/Rust/Pascal 1秒，其他语言2秒
空间限制：C/C++/Rust/Pascal 256 M，其他语言512 M
64bit IO Format: %lld
时间限制：C/C++/Rust/Pascal 1秒，其他语言2秒
空间限制：C/C++/Rust/Pascal 256 M，其他语言512 M
64bit IO Format: %lld
题目描述
Define function )
to be the number of different arrays 
of positive integers, such that the sum of the elements in array equals to 
.
For example,%3D4)
, and the four different arrays are 
.
You are given a positive integer
. Please find the answer of )
.
For example,
You are given a positive integer
输入描述:
There is only one line in the input containing a single integer.
输出描述:
Print a single integer: the answer of