import java.util.*;

class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int d = sc.nextInt();
    int t = sc.nextInt();
    int s = sc.nextInt();
    if (d % s == 0) {
      if (d / s <= t) {
        System.out.println("Yes");
      } else {
        System.out.println("No");
      }
    } else {
      if ((d / s) + 1 <= t) {
        System.out.println("Yes");
      } else {
        System.out.println("No");
      }
    }
  }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz