#include "bits/stdc++.h"
using namespace std;
#define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i))
#define rep(i,j) FOR(i,0,j)
#define each(x,y) for(auto &(x):(y))
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define debug(x) cout<<#x<<": "<<(x)<<endl
#define smax(x,y) (x)=max((x),(y))
#define smin(x,y) (x)=min((x),(y))
#define MEM(x,y) memset((x),(y),sizeof (x))
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<ll> vll;

int N, M[15], dp[1 << 15], MD = 1000;

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    while(cin >> N){
        rep(i, N)cin >> M[i];
        rep(S, 1 << N)dp[S] = INT_MAX;
        dp[0] = 0;
        rep(S, 1 << N){
            int wari = 0;
            rep(i, N)if(S >> i & 1)wari += M[i];
            wari %= MD;
            rep(i, N)if(!(S >> i & 1))
                smin(dp[S | (1 << i)], dp[S] + max(0, M[i] - wari));
        }
        cout << dp[(1 << N) - 1] << endl;
    }
}