p02570 AtCoder Beginner Contest 177 - Don't be late
Takahashi is meeting up with Aoki.

They have planned to meet at a place that is D meters away from Takahashi's house in T minutes from now.

Takahashi will leave his house now and go straight to the place at a speed of S meters per minute.

Will he arrive in time?

Constraints

* 1 \leq D \leq 10000
* 1 \leq T \leq 10000
* 1 \leq S \leq 10000
* All values in input are integers.

Input

Input is given from Standard Input in the following format:


D T S


Output

If Takahashi will reach the place in time, print `Yes`; otherwise, print `No`.

Examples

Input

1000 15 80


Output

Yes


Input

2000 20 100


Output

Yes


Input

10000 1 1


Output

No
```python
d, t, s = map(int, input().split())
print("Yes" if d/s <= t else "No")
```