p03059 AtCoder Beginner Contest 125 - Biscuit Generator
A biscuit making machine produces B biscuits at the following moments: A seconds, 2A seconds, 3A seconds and each subsequent multiple of A seconds after activation.

Find the total number of biscuits produced within T + 0.5 seconds after activation.

Constraints

* All values in input are integers.
* 1 \leq A, B, T \leq 20

Input

Input is given from Standard Input in the following format:


A B T


Output

Print the total number of biscuits produced within T + 0.5 seconds after activation.

Examples

Input

3 5 7


Output

10


Input

3 2 9


Output

6


Input

20 20 19


Output

0
```python
A, B, T = map(int,input().split(' '))

print(int(T/A)*B)
```