#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000


int main(){
	
	int N;
	cin>>N;
	
	vector<int> D(N);
	rep(i,N)cin>>D[i];
	
	vector dp(1<<N,0);
	dp[0] = 100;
	
	rep(i,1<<N){
		if(dp[i]==0)continue;
		int maxi = 100;
		rep(j,N){
			if((i>>j)&1){
				if(D[j]<0)maxi += 100;
			}
		}
		
		rep(j,N){
			if((i>>j)&1)continue;
			if(D[j]<0){
				dp[i|(1<<j)] = max(dp[i|(1<<j)], dp[i] + D[j]);
			}
			else{
				dp[i|(1<<j)] = max(dp[i|(1<<j)], min(dp[i]+D[j], maxi));
			}
		}
		
	}
	
	cout<<dp.back()<<endl;
	
	return 0;
}