import java.util.Scanner;

public 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();
    sc.close();
    int r = 0;
    

    if( d % s == 0) r = d / s;
    else r = d / s + 1;

    

    if(r <= 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