var GET=(function(){function f(s){return new g(s);}function g(s){this._s=s.trim().split("\n");this._y=0;}g.prototype.a=function(f){var s=this._s, y=this._y, r;if(typeof s[y]==="string")s[y]=s[y].split(" ").reverse();r=s[y].pop();if(!s[y].length)this._y++;return f?r:+r;};g.prototype.l=function(f){var s=this._s[this._y++].split(" ");return f?s:s.map(a=>+a);};g.prototype.m=function(n,f){var r=this._s.slice(this._y,this._y+=n).map(a=>a.split(" "));return f?r:r.map(a=>a.map(a=>+a));};g.prototype.r=function(n,f){var r=this._s.slice(this._y,this._y+=n);return f?r:r.map(a=>+a);};return f;})();
var o=GET(require("fs").readFileSync("/dev/stdin","utf8"));
function xArray(v){var a=arguments,l=a.length,r="Array(a["+--l+"]).fill(0).map(x=>{return "+v+";})";while(--l)r="Array(a["+l+"]).fill(0).map(x=>"+r+")";return eval(r);}
var mod = 998244353;
function abmod(){for(var a=arguments,r=a[0],i=1;i<a.length;)r=((r>>16)*a[i]%mod*65536+(r&65535)*a[i++])%mod;return r;}
function powmod(a,n){for(var r=1;n;a=abmod(a,a),n>>=1)if(n&1)r=abmod(a,r);return r;}

console.log(main());
function main(){
  var n = o.a();
  var a = o.r(n);
  var l = a.reduce((a,b)=>a+b)+1>>1;
  var dp = xArray("{}",n+1);
  dp[0][0] = 1;
  for(var i = 0; i < n; i++){
    for(var j = Math.min(i,n-3); j >= 0; j--){
      for(var k in dp[j]){
        k = +k;
        if(dp[j+1][k+a[i]]){
          dp[j+1][k+a[i]] += dp[j][k];
          dp[j+1][k+a[i]] %= mod;
        }else{
          dp[j+1][k+a[i]] = dp[j][k];
        }
      }
    }
  }
  var pow2n = [1];
  for(var i = 0; i < n; i++){
    pow2n[i+1] = pow2n[i] * 2;
    pow2n[i] = (pow2n[i]-2+mod) * 3;
    pow2n[i] %= mod;
  }
  pow2n[n] = (pow2n[n]-2+mod) * 3 % mod;

  var ans = powmod(3,n) - 3 - pow2n[n];
  for(var j = 1; j < n-1; j++){
    for(var k in dp[j]){
      k = +k;
      if(k < l)continue;
      ans -= abmod(dp[j][k],pow2n[n-j]);
    }
    ans %= mod;
  }
  return (ans+mod)%mod;
}