//let input = "10000 1 1";

function main(input){
  let list = input.trim().split(" ");
  let d = parseInt(list[0]);
  let t = parseInt(list[1]);
  let s = parseInt(list[2]);
  let m = d/s;
  let answer = "";
  if(m<=t){answer = "Yes";}else{answer = "No";}
  console.log(answer);
}
//main(input);
main(require("fs").readFileSync("/dev/stdin","utf8"));