#include <bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
using namespace std;
typedef pair<int,int>P;

int dp[1<<15];
int m[15];

int main(){
	int n;scanf("%d",&n);
	rep(i,n)scanf("%d",&m[i]);
	memset(dp,0x3f,sizeof(dp));
	dp[0]=0;
	rep(i,1<<n){
		int cnt=0;
		rep(j,n){
			if(i>>j&1)(cnt+=m[j])%=1000;
		}
		rep(j,n){
			if(!(i>>j&1))dp[i|1<<j]=min(dp[i|1<<j],dp[i]+max(0,m[j]-cnt));
		}
	}
	cout<<dp[(1<<n)-1]<<endl;
}