#include <bits/stdc++.h>

using namespace std;
#define _for(i,j,N) for(int i = (j);i < (N);i++)
#define _rep(i,j,N) for(int i = (j);i <= (N);i++)
#define ALL(x) x.begin(),x.end()

int get_int(){int x;scanf("%d",&x);return x;}

typedef long long ll;

const int mod = 998244353;
inline int mul(int x,int y){return 1ll*x*y%mod;}
int add(int x,int y) {return x+y>=mod?x+y-mod:x+y;}
int sub(int x,int y) {return x-y>=0?x-y:x-y+mod;}
int sq(int x){return 1ll*x*x%mod;}
int pows(int a,int b){return b == 0?1:(b&1?mul(a,sq(pows(a,b/2))):sq(pows(a,b/2)));}


const int maxn = 305;
int cnt[maxn*maxn];
int cnt2[maxn*maxn];

int sum;
int N;





void cal(int n,vector<int> &vi){
    cnt[0] = 1;
    cnt2[0] = 1;
    _for(i,0,N){
        int l = vi[i];
        for(int j = sum;j>=0;j--){
            cnt2[j] = add(cnt2[j],cnt2[j]);
            if(j-l >= 0) {
                cnt[j] = add(cnt[j],cnt[j-l]);
                cnt2[j] = add(cnt2[j],cnt2[j-l]);
            }
        }
    }
}

int main()
{
    vector<int> vi;
    N = get_int();
    _for(i,0,N){
        int num = get_int();
        sum += num;
        vi.push_back(num);
    }
    sort(ALL(vi));

    int ans = pows(3,N);
    //printf("all:%d\n",ans);

    cal(N,vi);
    //_rep(i,0,sum) printf("%d\n",cnt2[i]);

    _rep(i,(sum+1)/2,sum){
        ans = sub(ans,mul(3,cnt2[i]));
        //printf("%d\n",cnt2[i]);
    }

    if(!(sum&1)){
        ans = add(ans,mul(cnt[sum/2],3));
    }

     printf("%d\n",ans);
    return 0;
}

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;

#define REP(i,n) for(long long i = 0; i < (n); i++)
#define FOR(i, m, n) for(long long i = (m);i < (n); ++i)
#define ALL(obj) (obj).begin(),(obj).end()
#define SPEED cin.tie(0);ios::sync_with_stdio(false);

template<class T> using V = vector<T>;
template<class T, class U> using P = pair<T, U>;

const ll MOD = (ll)1e9 + 7;
const ll MOD2 = 998244353;
const ll HIGHINF = (ll)1e18;
const ll LOWINF = (ll)1e15;
const long double PI = 3.1415926535897932384626433;

template<typename T> vector<T> make_v(size_t N,T init){return vector<T>(N,init);}
template<typename... T> auto make_v(size_t N,T... t){return vector<decltype(make_v(t...))>(N,make_v(t...));}
template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}}
template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;}
template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;}
template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;}
template <template <class tmp>  class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
void print(void) {cout << endl;}
template <class Head> void print(Head&& head) {cout << head;print();}
template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);}
template <class T> void chmax(T& a, const T b){a=max<T>(a,b);}
template <class T> void chmin(T& a, const T b){a=min<T>(a,b);}
void YN(bool flg) {cout << ((flg) ? "YES" : "NO") << endl;}
void Yn(bool flg) {cout << ((flg) ? "Yes" : "No") << endl;}
void yn(bool flg) {cout << ((flg) ? "yes" : "no") << endl;}

int main() {
    ll N; cin >> N;
    V<ll> a(N);
    for(int i = 0; i < N; ++i) cin >> a[i];
    ll sum = 0;
    for(int i = 0; i < N; ++i) sum += a[i];
    auto dp = make_v(N+1,sum + 1,0LL);
    dp[0][0] = 1;
    for(int i = 0; i < N; ++i){
        for(int j = 0; j <= sum; ++j){
            if(j+a[i]<=sum) (dp[i+1][j+a[i]] += dp[i][j]) %=MOD2;
            (dp[i+1][j] += (2LL*dp[i][j]) % MOD2 ) %= MOD2;
        }
    }
    auto dp2 = make_v(N+1,sum+1,0LL);
    dp2[0][0] = 1;
    for(int i = 0; i < N; ++i){
        for(int j = 0; j <= sum; ++j){
            if(j+a[i]<=sum) (dp2[i + 1][j + a[i]] += dp2[i][j]) %= MOD2; 
            (dp2[i+1][j] += dp2[i][j]) %=MOD2;
        }
    }

    ll haf = sum/2 + (sum%2?1:0);
    ll ans = 1;
    for(int i = 0; i < N; ++i) (ans *= 3LL) %= MOD2;
    for(int j = haf; j <= sum; ++j){
        (ans += (MOD2 - (3LL*dp[N][j])%MOD2) ) %= MOD2;
    }
    if(!(sum%2)) (ans += (3LL*dp2[N][sum/2]) % MOD2 ) %= MOD2;
    // for(int i = 0; i < N; ++i) print(i,a[i],dp2[i]);
    // print(N,-N,dp2[N]);

    cout << ans << endl;
    return 0;
}
