import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Scanner;
import java.util.Set;

public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		final int N = sc.nextInt();
		final int MOD = 1000;
		
		int[] items = new int[N];
		for(int i = 0; i < N; i++){
			items[i] = sc.nextInt();
		}
		
		final int bit_size = 1 << N;
		int[] mods = new int[bit_size];
		for(int bit = 0; bit < bit_size; bit++){
			for(int not_buy = 0; not_buy < N; not_buy++){
				if((bit & (1 << not_buy)) == 0){
					mods[bit | (1 << not_buy)] = (mods[bit] + items[not_buy]) % MOD;
				}
			}
		}
		
		int[] DP = new int[bit_size];
		for(int i = 0; i < bit_size; i++){
			DP[i]= Integer.MAX_VALUE;
		}
		
		for(int i = 0; i < N; i++){
			DP[1 << i] = items[i];
		}
		
		for(int bit = 1; bit < bit_size; bit++){	
			for(int new_buy = 0; new_buy < N; new_buy++){
				if((bit & (1 << new_buy)) != 0){
					continue;
				}
				
				final int next_bit = bit | (1 << new_buy);
				DP[next_bit] = Math.min(DP[next_bit], DP[bit] + items[new_buy] - Math.min(items[new_buy], mods[bit]));
			}
		}
		
		System.out.println(DP[bit_size - 1]);
	}

}