package yukicoder286;
import java.util.Arrays;
import java.util.Scanner;
public class Main {
	static int[] data;
	public static void main(String[] args){
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt();
		data=new int[n];
		for(int i=0;i<n;i++){
			data[i]=sc.nextInt();
		}
		int[] dp=new int[1<<n];
		Arrays.fill(dp, Integer.MAX_VALUE);
		dp[0]=0;
		for(int mask=0;mask<1<<n;mask++){
			for(int i=0;i<n;i++){
				if((mask&(1<<i))==0){
					int nextMask=mask|(1<<i);
					int buy=data[i]-Math.min(data[i], (totalMoney(mask)%1000));
					dp[nextMask]=Math.min(dp[nextMask], buy+dp[mask]);
				}
			}
		}
		System.out.println(dp[(1<<n)-1]);
	}
	static int totalMoney(int bit){
		int total=0;
		for(int i=0;bit>>i>0;i++){
			if(((1<<i)&bit)>0){
				total+=data[i];
			}
		}
		return total;
	}
}