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>
typedef long long ll;
using namespace std;
#define fastio ios_base::sync_with_stdio(false);cin.tie(0);
#define all(x) x.begin(),x.end()
#define pb push_back
#define pf push_front
#define ff first
#define ss second
#define vll vector<ll>
#define sll set<ll>
#define pll pair<ll, ll>
#define vpll vector<pll>
#define endl "\n"
const ll maxn = 2e5+2;

int main()
{
    fastio; //remove for interactive
    ll i, j, k, n, m, t;

        cin>>i>>j>>k;

        if(i/k<=j)
            cout<<"Yes"<<endl;
        else 
        {
            cout<<"No"<<endl;
            /* code */
        }
        
        
        
        
    return 0;
}