using System.Numerics;

public class Program
{
    public static void Main()
    {

        //BigInteger num = BigInteger.Parse(Console.ReadLine() ?? string.Empty);
        //int num = int.Parse(Console.ReadLine() ?? string.Empty);
        string[] moji = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
        string[] time = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
        //string str = Console.ReadLine() ?? string.Empty;


        int one = int.Parse(moji[0]) * int.Parse(time[0]);
        int two = int.Parse(moji[1]) * int.Parse(time[1]);
        int three = int.Parse(moji[2]) * int.Parse(time[2]);
        int four = int.Parse(moji[3]) * int.Parse(time[3]);

        if (int.Parse(time[4]) >= one + two + three + four)
        {
            Console.WriteLine("Yes");
        }
        else
        {
            Console.WriteLine("No");
        }

    }

}