#include<bits/stdc++.h>
using namespace std;
#define vi vector<int>
#define vvi vector<vi>
#define vs vector<string>
#define pb push_back
#define P pair<int,int>
#define vp vector<P>
#define PP pair<P,int>
#define vpp vector<PP>
#define fi first
#define se second
#define INF (1<<30)
#define MOD 1000
#define REP(i,n) for(int i=0;i<n;i++)
#define REPR(i,n) for(int i=n;i>=0;i--)
#define FOR(i,m,n) for(int i=m;i<n;i++)
#define all(x) (x).begin(),(x).end()
int main(){
    int n;
    cin>>n;
    vi d(n);
    REP(i,n)cin>>d[i];
    vi dp(1<<n,INF);
    dp[0]=0;
    REP(i,1<<n){
        int now=0;
        REP(j,n){
            if(i&(1<<j)){
                (now+=d[j])%=MOD;
            }
        }
        REP(j,n){
            if(!(i&(1<<j))){
                dp[i|(1<<j)]=min(dp[i|(1<<j)],dp[i]+max(0,d[j]-now));
            }
        }
    }
    cout<<dp[(1<<n)-1]<<endl;
    return 0;
}