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();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var c = NList;
        var (n, k) = (c[0], c[1]);
        var bits = new int[n];
        for (var i = 0; i < k; ++i)
        {
            c = NList;
            var s = c[1];
            for (var j = 2; j < c.Length; ++j) bits[c[j] - 1] |= s;
        }
        var ans = 0L;
        for (var i = 0; i < n; ++i) for (var b = 0; b < 30; ++b)
        {
            if (((bits[i] >> b) & 1) != 0)
            {
                if (b == 0) ans += half;
                else ans += 1 << b - 1;
            }
        }
        WriteLine(ans % 998_244_353);
    }
    static int half = 499_122_177;
}