#include <bits/stdc++.h>

#ifdef LOCAL
#include "utility/debug.hpp"
#else
#define debug(...)
#endif

using namespace std;
namespace rv = std::views;  // NOLINT

// clang-format off
using lint = long long;
using P = pair<lint, lint>;
#define ALL(a) (a).begin(), (a).end()

template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; }
template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; }
inline void Yes(bool b = true) { println("{}",(b ? "Yes" : "No")); }
inline void No() { println("{}", "No");}
// clang-format on

/**/

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int N, K;
    cin >> N >> K;
    vector<lint> A(N);
    for (auto&& a : A) cin >> a;
    int ans = 0;
    const lint MOD1 = 998;
    const lint MOD2 = 998244353;
    auto dfs = [&](this auto&& self, int depth, int last, lint sum) -> void {
        if (depth == K) {
            if (sum % MOD1 >= sum % MOD2) {
                ans++;
                if (ans >= 998) ans -= 998;
            }
            return;
        }
        for (int i = last + 1; i < N; i++) {
            self(depth + 1, i, sum + A[i]);
        }
    };
    dfs(0, -1, 0);
    println("{}", ans);
}