#include<bits/extc++.h>
using namespace __gnu_pbds;
using namespace std;
using ll = long long;
#define LNF 0x3f3f3f3f3f3f3f3f
#define W(...) cerr<<"LINE:" << __LINE__ << " "; debug(#__VA_ARGS__, __VA_ARGS__)
void debug(const char* names) {cerr << endl;} template<typename T, typename... Args>void debug(const char* names, T value, Args... args) {const char* comma = strchr(names, ','); if (comma) {cerr.write(names, comma - names) << "=" << value << ", "; debug(comma + 1, args...);} else {cerr << names << " = " << value << endl; }}
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<class T, class... U>void chmax(T &a, const U &... b) {for (const auto& val : {b...})if (a < val) {a = val;}}
template<class T, class... U>void chmin(T &a, const U &... b) {for (const auto& val : {b...})if (a > val) {a = val;}}
#define pb push_back
template<class T>
constexpr T power(T a, ll b) {
    T res = 1;
    for (; b; b /= 2, a *= a) {
        if (b % 2) {
            res *= a;
        }
    }
    return res;
}

template<int P>
struct MInt {
    int x;
    constexpr MInt() : x{} {}
    constexpr MInt(ll x) : x{norm(x % P)} {}

    constexpr int norm(int x) const {
        if (x < 0) {
            x += P;
        }
        if (x >= P) {
            x -= P;
        }
        return x;
    }
    constexpr int val() const {
        return x;
    }
    explicit constexpr operator int() const {
        return x;
    }
    constexpr MInt operator-() const {
        MInt res;
        res.x = norm(P - x);
        return res;
    }
    constexpr MInt inv() const {
        assert(x != 0);
        return power(*this, P - 2);
    }
    constexpr MInt &operator*=(MInt rhs) {
        x = 1LL * x * rhs.x % P;
        return *this;
    }
    constexpr MInt &operator+=(MInt rhs) {
        x = norm(x + rhs.x);
        return *this;
    }
    constexpr MInt &operator-=(MInt rhs) {
        x = norm(x - rhs.x);
        return *this;
    }
    constexpr MInt &operator/=(MInt rhs) {
        return *this *= rhs.inv();
    }
    friend constexpr MInt operator*(MInt lhs, MInt rhs) {
        MInt res = lhs;
        res *= rhs;
        return res;
    }
    friend constexpr MInt operator+(MInt lhs, MInt rhs) {
        MInt res = lhs;
        res += rhs;
        return res;
    }
    friend constexpr MInt operator-(MInt lhs, MInt rhs) {
        MInt res = lhs;
        res -= rhs;
        return res;
    }
    friend constexpr MInt operator/(MInt lhs, MInt rhs) {
        MInt res = lhs;
        res /= rhs;
        return res;
    }
    friend constexpr std::istream &operator>>(std::istream &is, MInt &a) {
        ll v;
        is >> v;
        a = MInt(v);
        return is;
    }
    friend constexpr std::ostream &operator<<(std::ostream &os, const MInt &a) {
        return os << a.val();
    }
    friend constexpr bool operator==(MInt lhs, MInt rhs) {
        return lhs.val() == rhs.val();
    }
    friend constexpr bool operator!=(MInt lhs, MInt rhs) {
        return lhs.val() != rhs.val();
    }
};

template<int V, int P>
constexpr MInt<P> CInv = MInt<P>(V).inv();

constexpr int P = 998244353;
// constexpr int P = 1e9+7;
using Z = MInt<P>;

struct Comb {
    int n;
    std::vector<Z> _fac;
    std::vector<Z> _invfac;
    std::vector<Z> _inv;

    Comb() : n{0}, _fac{1}, _invfac{1}, _inv{0} {}
    Comb(int n) : Comb() {
        init(n);
    }

    void init(int m) {
        if (m <= n) return;
        _fac.resize(m + 1);
        _invfac.resize(m + 1);
        _inv.resize(m + 1);

        for (int i = n + 1; i <= m; i++) {
            _fac[i] = _fac[i - 1] * i;
        }
        _invfac[m] = _fac[m].inv();
        for (int i = m; i > n; i--) {
            _invfac[i - 1] = _invfac[i] * i;
            _inv[i] = _invfac[i] * _fac[i - 1];
        }
        n = m;
    }

    Z fac(int m) {
        if (m > n) init(2 * m);
        return _fac[m];
    }
    Z invfac(int m) {
        if (m > n) init(2 * m);
        return _invfac[m];
    }
    Z inv(int m) {
        if (m > n) init(2 * m);
        return _inv[m];
    }
    Z binom(int n, int m) {
        if (n < m || m < 0) return 0;
        return fac(n) * invfac(m) * invfac(n - m);
    }
} comb;
struct Inversion {
    static constexpr int B = (1 << 10), T = (1 << 20);
    std::array < int, T + 1 > f, p;
    std::array < int, T * 3 + 3 > buf;
    int *I = buf.begin() + T;
    Inversion() {
        for (int i = 1; i <= B; i++) {
            int s = 0, d = (i << 10);
            for (int j = 1; j <= T; j++) {
                if ((s += d) >= P) s -= P;
                if (s <= T) {
                    if (!f[j]) f[j] = i, p[j] = s;
                }
                else if (s >= P - T) {
                    if (!f[j]) f[j] = i, p[j] = s - P;
                }
                else {
                    int t = (P - T - s - 1) / d;
                    s += t * d, j += t;
                }
            }
        }
        I[1] = f[0] = 1;
        for (int i = 2; i <= (T << 1); i++)
            I[i] = 1ll * (P - P / i) * I[P % i] % P;

        for (int i = -1; i >= -T; i--)
            I[i] = P - I[-i];

    }
    Z inv(int x) {
        return Z(1) * I[p[x >> 10] + (x & 1023) * f[x >> 10]] * f[x >> 10];
    }
};
const int ma = 105 * 100;
Z dp[105][ma];
void solve(void) {
    ll n;
    cin >> n;
    dp[0][0] = 1;
    ll sum = 0;
    for (int i = 1; i <= n; i++) {
        ll x;
        cin >> x;
        sum += x;
        for (int j = i - 1; j >= 0; j--) {
            for (int s = ma - 1 - x; s >= 0; s--) {
                dp[j + 1][s + x] += dp[j][s];
            }
        }
    }
    Z ans = 0;
    if (sum % 2 != 0) {
        cout << 0 << "\n";
    } else {
        for (int i = 1; i <= n; i++) {
            ll f = (n - i);
            ans += comb.fac(i) * comb.fac(f) * dp[i][sum / 2];
        }
        cout << ans;
    }
}
int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr);
    int t = 1;
    // cin >> t;
    while (t--)
        solve();
    return 0;
}