#if !__INCLUDE_LEVEL__ #include __FILE__ const ll mod = 998244353; const ll mod2 = 998; int main() { ll n, k; cin >> n >> k; vector dp(k+1, vector()); dp[0].emplace_back(0); vector a(n); rep(i,n) cin >> a[i]; rep(i,n) { vector p = dp; swap(dp, p); rep(j,k) { for(auto &np : p[j]) { dp[j+1].emplace_back(np + a[i]); } } } ll ans = 0; for(auto &np : dp[k]) { if(np%mod <= np%mod2) ans++; } cout << ans%mod2 << '\n'; } /*---------------------------------------------------------------------------------------------------       ○______       ||      |       ||  ●   |       ||      |     || ̄ ̄ ̄ ̄ ̄      || 君が代は ∧__,,∧||  千代に八千代に   ( `・ω・|| さざれ石の巌となりて   ヽ つ0 こけのむすまで    し―-J ---------------------------------------------------------------------------------------------------*/ #else #include using namespace std; #include using namespace atcoder; using ll = long long; using ull = unsigned long long; using ldb = long double; using P = pair; #define fi first #define se second #define m_99(i,a,b) for (ll i = a, i##_range = (b); i < i##_range; i++) #define REP(i,a,b) m_99(i,a,b) #define rep(i,a) m_99(i,0,a) template bool chmin(T& a, const T& b) { return a > b ? a = b, true : false; } template bool chmax(T& a, const T& b) { return a < b ? a = b, true : false; } #ifdef _DEBUG #include #define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else #define debug(...) (static_cast(0)) #endif struct initialise { initialise() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; }__INI__; const ll inf = 1LL << 60; const ll dx[4] = {-1, 1, 0, 0}, dy[4] = {0, 0, -1, 1}; #endif