using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var c = NList;
        var (n, a, h, m, s) = (c[0], c[1], c[2], c[3], c[4]);
        s += n * a;
        if (s >= 60)
        {
            m += s / 60;
        }
        if (m >= 60)
        {
            h += m / 60;
        }
        WriteLine(h >= 24 ? "Yes" : "No");
    }
}