#SCCCIE000033. Đừng đến muộn (Don't be late)

Đừng đến muộn (Don't be late)

Don't be late

Source: AtCoder

Problem Statement

The meeting place is DD meters away. There are TT minutes left and the travel speed is SS meters per minute. Determine whether arrival is on time or earlier.

Input

One line contains DD, TT, and SS.

Output

Print Yes if D≤TimesSD\le T imes S; otherwise print No.

Subtasks

  • Subtask 1 (100%): 1≤D,T,S≤100001 \le D,T,S \le 10000

Examples

Example 1

Input

1000 15 80

Output

Yes

Explanation

For the sample values 1000, 15, 80, evaluating the conditions in the statement gives Yes. Therefore the program prints the shown output.

Example 2

Input

2000 20 100

Output

Yes

Explanation

For the sample values 2000, 20, 100, evaluating the conditions in the statement gives Yes. Therefore the program prints the shown output.

Example 3

Input

10000 1 1

Output

No

Explanation

For the sample values 10000, 1, 1, evaluating the conditions in the statement gives No. Therefore the program prints the shown output.