import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double d = sc.nextDouble();
        int t = sc.nextInt();
        double s = sc.nextDouble();

        int re = (int)(d/s + (double)(s-1)/(double)s);

        if(re>t){
          System.out.println("No");
        }else{
            System.out.println("Yes");
        }


    }
} import java.util.*; util.* java public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double d = sc.nextDouble();
        int t = sc.nextInt();
        double s = sc.nextDouble();

        int re = (int)(d/s + (double)(s-1)/(double)s);

        if(re>t){
          System.out.println("No");
        }else{
            System.out.println("Yes");
        }


    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double d = sc.nextDouble();
        int t = sc.nextInt();
        double s = sc.nextDouble();

        int re = (int)(d/s + (double)(s-1)/(double)s);

        if(re>t){
          System.out.println("No");
        }else{
            System.out.println("Yes");
        }


    } main {
        Scanner sc = new Scanner(System.in);
        double d = sc.nextDouble();
        int t = sc.nextInt();
        double s = sc.nextDouble();

        int re = (int)(d/s + (double)(s-1)/(double)s);

        if(re>t){
          System.out.println("No");
        }else{
            System.out.println("Yes");
        }


    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) double d = sc.nextDouble(); d sc.nextDouble() sc.nextDouble sc int t = sc.nextInt(); t sc.nextInt() sc.nextInt sc double s = sc.nextDouble(); s sc.nextDouble() sc.nextDouble sc int re = (int)(d/s + (double)(s-1)/(double)s); re (int)(d/s + (double)(s-1)/(double)s) d/s d s (double)(s-1)/(double)s (double)(s-1) s 1 (double)s if(re>t){
          System.out.println("No");
        }else{
            System.out.println("Yes");
        } re>t re t {
          System.out.println("No");
        } System.out.println("No") System.out.println System.out System System.out "No" {
            System.out.println("Yes");
        } System.out.println("Yes") System.out.println System.out System System.out "Yes" String[] args args public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double d = sc.nextDouble();
        int t = sc.nextInt();
        double s = sc.nextDouble();

        int re = (int)(d/s + (double)(s-1)/(double)s);

        if(re>t){
          System.out.println("No");
        }else{
            System.out.println("Yes");
        }


    }
} public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double d = sc.nextDouble();
        int t = sc.nextInt();
        double s = sc.nextDouble();

        int re = (int)(d/s + (double)(s-1)/(double)s);

        if(re>t){
          System.out.println("No");
        }else{
            System.out.println("Yes");
        }


    }
} Main
import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double d = sc.nextDouble();
        int t = sc.nextInt();
        double s = sc.nextDouble();

        int re = (int)(d/s + (double)(s-1)/(double)s);

        if(re>t){
          System.out.println("No");
        }else{
            System.out.println("Yes");
        }


    }
}