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 C++ (GCC 9.2.1) (judge verdict: Wrong Answer)

#include <bits/stdc++.h>
#define ll          long long int
#define uu          first
#define vv          second
#define pii         pair<int,int>
#define pll         pair<ll,ll>
#define tp          tuple<int,int,int>
#define fastio      ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
using namespace std;
const int INF = 1e9;
const ll MOD = 1e9 + 7;

const int N = 1e6 + 6;

int main()  {
    fastio;
    int d , t , s;
    cin>>d>>t>>s;
    if(s*t >= d) {
        cout<<"YES\n";
    }
    else cout<<"NO\n";
    return 0;
    
    
}