题目描述
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
输入格式
见题面
输出格式
见题面
样例输入
2000 20 100
样例输出
Yes