#include <bits/stdc++.h> 
using namespace std;
#include <ios>
#include <iomanip>
#include <iostream>
#include <string>
#include <algorithm>


int main(){
  double a,b,c;
  cin >>a>>b>>c;
  double afirst=fabs(a);
  if(afirst<=(b*c)){
    cout <<"Yes";
  }
  else cout<<"No";
  
}