#include <bits/stdc++.h>

using namespace std;

void fast_io() {
    ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
}

int main() {
    fast_io();
    int n, k;
    cin >> n >> k;
    vector<int> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    vector<int> cmb(n);
    for (int i = 0; i < k; i++) {
        cmb[i] = 1;
    }
    sort(cmb.begin(), cmb.end());
    int ans = 0;
    do {
        int sum_998244 = 0, sum_998 = 0;
        for (int i = 0; i < n; i++) {
            if (cmb[i] == 1) {
                sum_998244 = (sum_998244 + a[i]) % 998244353;
                sum_998 = (sum_998 + a[i]) % 998;
            }
        }
        if (sum_998244 <= sum_998) {
            ans++;
            ans %= 998;
        }
    } while (next_permutation(cmb.begin(), cmb.end()));
    cout << ans << endl;
}