using System.Numerics;

public class Program
{
    public static void Main()
    {
        //BigInteger num =BigInteger.Parse(Console.ReadLine() ?? string.Empty);
        string[] str = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
        //string str = Console.ReadLine() ?? string.Empty;

        BigInteger zei = BigInteger.Parse(str[0]);
        int kyori = int.Parse(str[1]);
        int time = int.Parse(str[2]);

        zei = BigInteger.Parse(zei.ToString().Replace("-", ""));
        if(zei <= kyori)
        {
            Console.WriteLine("Yes");
            return;
        }
        BigInteger a = kyori  * time;
        if(zei <= a)
        {
            Console.WriteLine("Yes");
        }
        else
        {
            Console.WriteLine("No");
        }

    }
}