import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[]args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String a = br.readLine();
		String[] b = a.split(" ");
		long S = Long.parseLong(b[2]); 
		long D = Long.parseLong(b[0]);
		long T = Long.parseLong(b[1]);
		double result = (double)D/S ;
		if(result <= T) 
			System.out.println("Yes");
		else
			System.out.println("No");

		
		
	}

} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {
	public static void main(String[]args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String a = br.readLine();
		String[] b = a.split(" ");
		long S = Long.parseLong(b[2]); 
		long D = Long.parseLong(b[0]);
		long T = Long.parseLong(b[1]);
		double result = (double)D/S ;
		if(result <= T) 
			System.out.println("Yes");
		else
			System.out.println("No");

		
		
	}

} Main public static void main(String[]args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String a = br.readLine();
		String[] b = a.split(" ");
		long S = Long.parseLong(b[2]); 
		long D = Long.parseLong(b[0]);
		long T = Long.parseLong(b[1]);
		double result = (double)D/S ;
		if(result <= T) 
			System.out.println("Yes");
		else
			System.out.println("No");

		
		
	} main {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String a = br.readLine();
		String[] b = a.split(" ");
		long S = Long.parseLong(b[2]); 
		long D = Long.parseLong(b[0]);
		long T = Long.parseLong(b[1]);
		double result = (double)D/S ;
		if(result <= T) 
			System.out.println("Yes");
		else
			System.out.println("No");

		
		
	} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String a = br.readLine(); a br.readLine() br.readLine br String[] b = a.split(" "); b a.split(" ") a.split a " " long S = Long.parseLong(b[2]); S Long.parseLong(b[2]) Long.parseLong Long b[2] b 2 long D = Long.parseLong(b[0]); D Long.parseLong(b[0]) Long.parseLong Long b[0] b 0 long T = Long.parseLong(b[1]); T Long.parseLong(b[1]) Long.parseLong Long b[1] b 1 double result = (double)D/S ; result (double)D/S (double)D S if(result <= T) 
			System.out.println("Yes");
		else
			System.out.println("No"); result <= T result T System.out.println("Yes") System.out.println System.out System System.out "Yes" System.out.println("No") System.out.println System.out System System.out "No" String[]args args public class Main {
	public static void main(String[]args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String a = br.readLine();
		String[] b = a.split(" ");
		long S = Long.parseLong(b[2]); 
		long D = Long.parseLong(b[0]);
		long T = Long.parseLong(b[1]);
		double result = (double)D/S ;
		if(result <= T) 
			System.out.println("Yes");
		else
			System.out.println("No");

		
		
	}

} public class Main {
	public static void main(String[]args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String a = br.readLine();
		String[] b = a.split(" ");
		long S = Long.parseLong(b[2]); 
		long D = Long.parseLong(b[0]);
		long T = Long.parseLong(b[1]);
		double result = (double)D/S ;
		if(result <= T) 
			System.out.println("Yes");
		else
			System.out.println("No");

		
		
	}

} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[]args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String a = br.readLine();
		String[] b = a.split(" ");
		long S = Long.parseLong(b[2]); 
		long D = Long.parseLong(b[0]);
		long T = Long.parseLong(b[1]);
		double result = (double)D/S ;
		if(result <= T) 
			System.out.println("Yes");
		else
			System.out.println("No");

		
		
	}

}
