#include <bits/stdc++.h>

using namespace std;

#define FOR(i,a,b)  for(int i=(a);i<(b);i++)
#define REP(i,n)    FOR(i,0,n)
#define ALL(a)      a.begin(),a.end()
#define vi          vector<int>
#define vvi         vector<vi>
#define P           pair<int,int>

int main(){
    int n;cin>>n;
    vi vec(n);
    REP(i,n){
        cin>>vec[i];
    }
    vi dp(1<<n);
    REP(i,1<<n){
        dp[i]=INT_MAX;
    }
    dp[0]=0;
    REP(i,1<<n){
        cerr<<bitset<10>(i)<<"\t"<<dp[i]<<"\n";
        int minus=0;
        REP(j,n){
            if(i & (1<<j)){
                minus+=vec[j];
            }
        }
        minus%=1000;
        cerr<<minus<<"\n";
        REP(j,n){
            if(i & (1<<j)){
                continue;
            }
            dp[i | (1<<j)]=min(dp[i | (1<<j)],dp[i]+max(0,vec[j]-minus));
        }
    }
    cout<<dp[(1<<n)-1]<<endl;
    return 0;
}