#include<bits/stdc++.h>
using namespace std;
using Int = long long;
template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}

//INSERT ABOVE HERE
signed main(){
  Int n;
  cin>>n;
  vector<Int> d(n);
  for(Int i=0;i<n;i++) cin>>d[i];
  
  Int s=1<<n;
  vector<Int> cnt(s,0);
  for(Int b=0;b<s;b++)
    for(Int i=0;i<n;i++)
      if((b>>i)&1) cnt[b]+=d[i]<0;

  vector<Int> dp(s,0);
  dp[0]=100;
  for(Int b=0;b<s;b++){
    chmin(dp[b],(cnt[b]+1)*100);
    if(dp[b]==0) continue;
    for(Int i=0;i<n;i++){
      if((b>>i)&1) continue;     
      chmax(dp[b|(1<<i)],dp[b]+d[i]); 
    }
  }  
  
  cout<<dp[s-1]<<endl;
  return 0;
}