#include<bits/stdc++.h>

using namespace std;
typedef long long int ll;

#define debugv(v) printf("L%d %s => ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl;
#define debugm(m) printf("L%d %s is..\n",__LINE__,#m);for(auto v:m){for(auto e:v){cout<<e<<" ";}cout<<endl;}
#define debuga(m,w) printf("L%d %s is => ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl;
#define debugaa(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[x][y]<<" ";}cout<<endl;}
#define ALL(v) (v).begin(),(v).end()
#define BIGINT 0x7FFFFFFF
#define E107 1000000007

template<typename T1,typename T2>
ostream& operator <<(ostream &o,const pair<T1,T2> p){o<<"("<<p.first<<":"<<p.second<<")";return o;}

int price[20];
int m,n;

map<int,int> dp;

int calc(int bit,int disc){
    int i,k,key,min=BIGINT;
    key=bit|(disc<<16);
    if (dp.count(key)) return dp[key];
    
    for (i=0;i<n;i++){
        if (~bit&(1<<i)){
            k=max(0,price[i]-disc)+calc(bit|(1<<i),(disc+price[i])%1000);
            if (k<min) min=k;
        }
    }
    return dp[key] = (min==BIGINT ? 0 : min);
}

int main(){
    int i,j,k,l;
    
    cin>>n;
    
    for (i=0;i<n;i++){
        scanf("%d",price+i);
    }
    
    cout<<calc(0,0)<<endl;

    return 0;
}