import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		// 入力値の取得
		int D = sc.nextInt();
		int T = sc.nextInt();
		int S = sc.nextInt();
		
		// 結果の出力
		if (D % S == 0) {
			if (D / S <= T) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		else {
			if (D / S <= (T - 1)) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		
		sc.close();
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		// 入力値の取得
		int D = sc.nextInt();
		int T = sc.nextInt();
		int S = sc.nextInt();
		
		// 結果の出力
		if (D % S == 0) {
			if (D / S <= T) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		else {
			if (D / S <= (T - 1)) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		
		sc.close();
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		// 入力値の取得
		int D = sc.nextInt();
		int T = sc.nextInt();
		int S = sc.nextInt();
		
		// 結果の出力
		if (D % S == 0) {
			if (D / S <= T) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		else {
			if (D / S <= (T - 1)) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		
		sc.close();
	} main {
		Scanner sc = new Scanner(System.in);

		// 入力値の取得
		int D = sc.nextInt();
		int T = sc.nextInt();
		int S = sc.nextInt();
		
		// 結果の出力
		if (D % S == 0) {
			if (D / S <= T) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		else {
			if (D / S <= (T - 1)) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		
		sc.close();
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int D = sc.nextInt(); D sc.nextInt() sc.nextInt sc int T = sc.nextInt(); T sc.nextInt() sc.nextInt sc int S = sc.nextInt(); S sc.nextInt() sc.nextInt sc if (D % S == 0) {
			if (D / S <= T) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		else {
			if (D / S <= (T - 1)) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		} D % S == 0 D % S D S 0 {
			if (D / S <= T) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		} if (D / S <= T) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			} D / S <= T D / S D S T {
				System.out.println("Yes");
			} System.out.println("Yes") System.out.println System.out System System.out "Yes" {
				System.out.println("No");
			} System.out.println("No") System.out.println System.out System System.out "No" {
			if (D / S <= (T - 1)) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		} if (D / S <= (T - 1)) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			} D / S <= (T - 1) D / S D S (T - 1) T 1 {
				System.out.println("Yes");
			} System.out.println("Yes") System.out.println System.out System System.out "Yes" {
				System.out.println("No");
			} System.out.println("No") System.out.println System.out System System.out "No" sc.close() sc.close sc String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		// 入力値の取得
		int D = sc.nextInt();
		int T = sc.nextInt();
		int S = sc.nextInt();
		
		// 結果の出力
		if (D % S == 0) {
			if (D / S <= T) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		else {
			if (D / S <= (T - 1)) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		
		sc.close();
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		// 入力値の取得
		int D = sc.nextInt();
		int T = sc.nextInt();
		int S = sc.nextInt();
		
		// 結果の出力
		if (D % S == 0) {
			if (D / S <= T) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		else {
			if (D / S <= (T - 1)) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		
		sc.close();
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		// 入力値の取得
		int D = sc.nextInt();
		int T = sc.nextInt();
		int S = sc.nextInt();
		
		// 結果の出力
		if (D % S == 0) {
			if (D / S <= T) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		else {
			if (D / S <= (T - 1)) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		
		sc.close();
	}
}
