Problem:
Score : 100 points

Problem Statement

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.

Sample Input 1

1000 15 80

Sample Output 1

Yes

It takes 12.5 minutes to go 1000 meters to the place at a speed of 80 meters per minute. They have planned to meet in 15 minutes so he will arrive in time.

Sample Input 2

2000 20 100

Sample Output 2

Yes

It takes 20 minutes to go 2000 meters to the place at a speed of 100 meters per minute. They have planned to meet in 20 minutes so he will arrive just on time.

Sample Input 3

10000 1 1

Sample Output 3

No

He will be late.

Solution in Java (OpenJDK 11.0.6) (judge verdict: Accepted)

import java.io.*;
import java.util.*;
class Main
{
	public static void main(String args[]) throws IOException
	{
		try{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String arr[]=br.readLine().split(" ");
		float a=0;float b=0;float c=0;
		float ti=0;
		a=Float.parseFloat(arr[0]);
		b=Float.parseFloat(arr[1]);
		c=Float.parseFloat(arr[2]);
		ti=a/c;
		//System.out.println(ti);
		if(ti<=b)
		{
			System.out.println("Yes");
		}
		else
		{
			System.out.println("No");
		}
	}
	catch(Exception e){}
}}