namespace AtCoder;

#nullable enable

using System.Numerics;

static class Extensions
{
    public static T[] Repeat<T>(this int time, Func<T> F) => Enumerable.Range(0, time).Select(_ => F()).ToArray();

    public static List<T>? NextPermutation<T>(IEnumerable<T> p) where T : IComparable<T>
    {
        var a = p.ToList();
        var b = new List<T> { a[^1] };
        for (var i = a.Count - 2; i >= 0; i--)
        {
            var t = a[i];
            if (t.CompareTo(b[^1]) >= 0) b.Add(t);
            else
            {
                var k = 0;
                while (k < b.Count && b[k].CompareTo(t) <= 0) k++;
                (b[k], a[i]) = (t, b[k]);
                for (var j = 0; j < b.Count; j++) a[i + 1 + j] = b[j];
                return a;
            }
        }
        return null;
    }
}

class AtCoder
{
    object? Solve()
    {
        var n = Int();
        var m = Int();
        var adjz = new bool[n, n];
        for (var i = 0; i < m; i++)
        {
            var u = Int();
            var v = Int();
            adjz[u, v] = adjz[v, u] = true;
        }
        var vs = 0;
        for (var i = 0; i < 3; i++) vs |= (1 << Int());
        if (n <= 2) return false;
        var perm = new List<int>();
        for (var i = 0; i < n; i++) perm.Add(i);
        while (perm != null)
        {
            for (var k = 3; k <= n; k++)
            {
                var ks = 0;
                for (var i = 0; i < 3; i++) ks |= (1 << perm[i]);
                if (ks == vs) continue;
                var f = true;
                for (var i = 0; i < k; i++)
                {
                    var u = perm[i];
                    var v = perm[(i + 1) % k];
                    f &= adjz[u, v];
                }
                if (f) return true;
            }
            perm = Extensions.NextPermutation(perm);
        }
        return false;
    }

    public static void Main() => new AtCoder().Run();
    public void Run()
    {
        var res = Solve();
        if (res != null)
        {
            if (res is bool yes) res = yes ? "Yes" : "No";
            sw.WriteLine(res);
        }
        sw.Flush();
    }

    string[] input = Array.Empty<string>();
    int iter = 0;
    readonly StreamWriter sw = new(Console.OpenStandardOutput()) { AutoFlush = false };

    string String()
    {
        while (iter >= input.Length) (input, iter) = (Console.ReadLine()!.Trim().Split(' '), 0);
        return input[iter++];
    }
    T Input<T>() where T : IParsable<T> => T.Parse(String(), null);
    int Int() => Input<int>();
    void Out(object? x, string? separator = null)
    {
        separator ??= Environment.NewLine;
        if (x is System.Collections.IEnumerable obj and not string)
        {
            var firstLine = true;
            foreach (var item in obj)
            {
                if (!firstLine) sw.Write(separator);
                firstLine = false;
                sw.Write(item);
            }
        }
        else sw.Write(x);
        sw.WriteLine();
    }
}