#include <bits/stdc++.h>
 
using namespace std;

#define PB push_back
#define MP make_pair
#define LL long long
#define int LL
#define FOR(i,a,b) for(int i = (a); i <= (b); i++)
#define RE(i,n) FOR(i,1,n)
#define REP(i,n) FOR(i,0,(int)(n)-1)
#define R(i,n) REP(i,n)
#define VI vector<int>
#define PII pair<int,int>
#define VPII vector<PII>
#define LD long double

int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout << fixed << setprecision(11);
    cerr << fixed << setprecision(6);

    int d,t,s;
    cin >> d >> t >> s;
    
    if((((d%s) == 0) ? (d/s) : ((d+(s-(d%s)))/s)) > t){
        cout << "No" << endl;
    }else{
        cout << "Yes" << endl;
    }
}

#include<iostream>

using namespace std;

int main(void)
{
	int D,S,T;
	cin>>D>>T>>S;
	
	int s=T*S;
	if(s>=D){
		cout<<"Yes";
	} else{
		cout<<"No";
	}
	
	return 0;
}