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

int dp[1<<16],d[16];
int main(){
	int n;scanf("%d",&n);
	rep(i,n)scanf("%d",&d[i]);
	dp[0]=100;
	rep(i,1<<n){
		if(dp[i]==0)continue;
		int cnt=100;
		rep(j,n){
			if((i>>j&1)&&d[j]<0)cnt+=100;
		}
		rep(j,n){
			if(i>>j&1)continue;
			if(d[j]>0){
				dp[i|1<<j]=max(dp[i|1<<j],min(dp[i]+d[j],cnt));
			}
			else{
				dp[i|1<<j]=max(dp[i|1<<j],dp[i]+d[j]);
			}
		}
	}
	cout<<dp[(1<<n)-1]<<endl;
}