p02915 AtCoder Beginner Contest 140 - Password
Takahashi is going to set a 3-character password.

How many possible passwords are there if each of its characters must be a digit between 1 and N (inclusive)?

Constraints

* 1 \leq N \leq 9
* N is an integer.

Input

Input is given from Standard Input in the following format:


N


Output

Print the number of possible passwords.

Examples

Input

2


Output

8


Input

1


Output

1
```python
x=int(input())
print(pow(x,3))
```