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 1.8.0) (judge verdict: Accepted)

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
//package AtCoder;

import java.util.*;
import java.io.*;
import java.lang.*;
import java.math.*;

/**
 *
 * @author Jagmohan Mandre
 */
class Main {
   public static void main(String[] args) throws java.lang.Exception {
        Scanner sc = new Scanner(System.in);
         try {
          int D = sc.nextInt();
          int T = sc.nextInt();
          int S = sc.nextInt();
          double time = ((double)D / (double)S) ;
          if(time <= T){
              System.out.println("Yes");
          } else {
              System.out.println("No");
          }
        } catch (Exception e) {
            return;
        }
    }
}