#include <bits/stdc++.h>
#ifdef LOCAL
#include "./debug.cpp"
#else
#define debug(...)
#define print_line
#endif
using namespace std;
using ll = long long;

const int MOD1 = 998244353;
const int MOD2 = 998;

int main() {
	int N, K;
	cin >> N >> K;
	vector<int> A(N);
	for (int i = 0; i < N; i++) cin >> A[i];
	debug(A);

	vector<int> B;
	int ans = 0;
	auto F = [&](auto&& F, int idx) -> void {
		debug(idx, B);
		if (idx == K) {
			ll sum = 0;
			for (int i = 0; i < K; i++) sum += A[B[i]];
			debug(sum % MOD1, sum % MOD2);
			if (sum % MOD1 <= sum % MOD2) ans++;
			return;
		}
		for (int i = idx == 0 ? 0 : B.back() + 1; i + K - idx <= N; i++) {
			B.push_back(i);
			F(F, idx + 1);
			B.pop_back();
		}
	};
	F(F, 0);
	cout << ans % MOD2 << endl;
}