#include <iostream>
#include <algorithm>
#include <cmath>
#include <cstdlib>
#include <vector>
#include <queue>
#include <utility>
using namespace std;

typedef pair<int, int> P;
typedef long long ll;

#define For(i, a, b) for(int i = (a); i < (b); i++)
#define Rep(i, n) For(i, 0, (n))

const int inf = 999999999;
const int mod = 1000000007;

P dp[1 << 16];

int main(){
	int n; cin >> n;
	int monster[n];
	Rep(i, n){
		cin >> monster[i];
	}
	dp[0].first = 100; dp[0].second = 100;
	For(i, 0, 1 << n){
		if(dp[i].second <= 0) continue;
		For(j, 0, n){
			if((1 << j & i) == 0){
				int t = dp[i].first + monster[j];
				if(t <= 0){
					continue;
				}else{
					int s = min(t, dp[i].second);
					if(dp[i | 1 << j].first <= s){
						dp[i | 1 << j].first = s;
						if(t < dp[i].second){
							dp[i | 1 << j].second = dp[i].second + 100;
						}else{
							dp[i | 1 << j].second = dp[i].second;
						}
					}
				}
			}
		}
	}
	int ans = dp[(1 << n) - 1].first;
	cout << ans << endl;
	return 0;
}