const main = input => {
  const D = lines[0].split(" ")[0];
  const T = lines[0].split(" ")[1];
  const S = lines[0].split(" ")[2];
  
  if (S * T >= D) {
    console.log('YES');
  }else{
    console.log('NO');
  }
}
 
main(require('fs').readFileSync('/dev/stdin','utf8'))