/**
 *    author:  math2do
 *    created: 01.06.2020 10:21:11
**/

#include <bits/stdc++.h>

using namespace std;

template <typename T>
T power(T a, long long b) {
  T r = 1;
  while (b > 0) {
    if (b & 1) {
      r *= a;
    }
    a *= a;
    b >>= 1;
  }
  return r;
}
 
template <typename T>
T inverse(T a, T m) {
  a %= m;
  if (a < 0) {
    a += m;
  }
  T b = m, u = 0, v = 1;
  while (a) {
    T t = b / a;
    b -= a * t;
    swap(a, b);
    u -= v * t;
    swap(u, v);
  }
  if (u < 0) {
    u += m;
  }
  return u;
}
 
template <int _P>
struct modnum {
  static constexpr int P = _P;
 private:
  int v;
 public:
  modnum() : v(0) { }
  modnum(long long _v) {
    v = (int) (_v % P);
    if (v < 0) {
      v += P;
    }
  }
  explicit operator int() const {
    return v;
  }
  bool operator==(const modnum& o) const {
    return v == o.v;
  }
  bool operator!=(const modnum& o) const {
    return v != o.v;
  }
  modnum inverse() const {
    return modnum(::inverse(v, P));
  }
  modnum operator-() const {
    return modnum(v ? P - v : 0);
  }
  modnum operator+() const {
    return *this;
  }
  modnum& operator++() {
    v++;
    if (v == P) {
      v = 0;
    }
    return *this;
  }
  modnum& operator--() {
    if (v == 0) {
      v = P;
    }
    v--;
    return *this;
  }
  modnum operator++(int) {
    modnum r = *this;
    ++*this;
    return r;
  }
  modnum operator--(int) {
    modnum r = *this;
    --*this;
    return r;
  }
  modnum& operator+=(const modnum& o) {
    v += o.v;
    if (v >= P) {
      v -= P;
    }
    return *this;
  }
  modnum operator+(const modnum& o) const {
    return modnum(*this) += o;
  }
  modnum& operator-=(const modnum& o) {
    v -= o.v;
    if (v < 0) {
      v += P;
    }
    return *this;
  }
  modnum operator-(const modnum& o) const {
    return modnum(*this) -= o;
  }
  modnum& operator*=(const modnum& o) {
    v = (int) ((long long) v * o.v % P);
    return *this;
  }
  modnum operator*(const modnum& o) const {
    return modnum(*this) *= o;
  }
  modnum& operator/=(const modnum& o) {
    return *this *= o.inverse();
  }
  modnum operator/(const modnum& o) const {
    return modnum(*this) /= o;
  }
};

template <int _P>
string to_string(const modnum<_P>& n) {
  return to_string((int)n);
}
 
template <int _P>
ostream& operator<<(ostream& out, const modnum<_P>& n) {
  return out << int(n);
}
 
template <int _P>
istream& operator>>(istream& in, modnum<_P>& n) {
  long long _v;
  in >> _v;
  n = modnum<_P>(_v);
  return in;
}

const int mod = (int) (998244353); 
using mint = modnum<mod>;

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  int n, s;
  cin >> n >> s;
  vector <int> arr(n);
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
  } 
  sort(arr.begin(), arr.end());
  vector <vector <mint>> dp(n + 1, vector <mint>(s + 1, 0));
  for (int i = n; i >= 0; i--) {
    for (int rem = 0; rem <= s; rem++) {
      if (i == n && rem == 0) {
        dp[i][rem] = 1;
        continue;
      } 
      if (i == n) {
        dp[i][rem] = 0;
        continue;
      }
      if (arr[i] <= rem) {
        dp[i][rem] += dp[i + 1][rem - arr[i]];
        dp[i][rem] += dp[i + 1][rem];
        dp[i][rem] += dp[i + 1][rem];
      } else {
        dp[i][rem] += dp[i + 1][rem];
        dp[i][rem] += dp[i + 1][rem];
      } 
    } 
  }
  cout << dp[0][s] << endl; 
  return 0;
}


Measured memory_bytes: 38524