#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES

#ifdef _MSC_VER
#include "bits\stdc++.h"
#else
#include <bits/stdc++.h>
#endif
#include <vector>
#include <set>
#include <string>
#include <queue>
#include <list>
#define REP(i,a,b) for(i=a;i<b;i++)
#define rep(i,n) REP(i,0,n)
// #define rep(i,n) REP(i,1,n)
#define ll long long
#define ull unsigned ll
typedef long double ld;
#define SQR(X)  ( (X)*(X) )
#define CUBE(X) ( (X)*(X)*(X) )

// #define int ll

using namespace std;

bool test = 0;

/* ここからが本編 */

#define INF 1 << 28


// 解説見てから書いたコード
int main(void)
{
  int i,j,k,l;
  int N;
  int M[20];
  static int table[100000];
  int a,b;
  cin >> N;
  rep(i,N) cin >> M[i];
  int n = 1 << N;
  for(i=0;i<n;i++) {
    a = i; 
    int teikaSum = 0;
    rep(j,N) {
      if(a % 2) {
        teikaSum += M[j];
      }
      a /= 2;
    }
    table[i] = teikaSum % 1000;
    /*
    char buf[100];
    itoa(i, buf, 2);
    printf("table[%03s] = %d\n",buf,table[i]);
    */
  }
  static int money[100000];
  fill(money,money+100000,INF);
  money[0] = 0;
  rep(i,n) { // 購入済み
    rep(j,N) {
      int a = 1 << j;
      if(a & i) continue;
      money[i|a] = min(money[i|a],money[i]
          +max(0,M[j]-table[i]) );
    }
    // fprintf(stderr,"money[%d]= %d\n",i,money[i]);
  }
  cout << money[n-1] << endl;
  return 0;
}