using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;

class TEST{
	static void Main(){
		Sol mySol =new Sol();
		mySol.Solve();
	}
}

class Sol{
	public void Solve(){
		
		int[] Dis=new int[1<<N];
		for(int i=0;i<(1<<N);i++){
			for(int j=0;j<N;j++){
				if((i&(1<<j))>0)Dis[i]+=A[j];
			}
			Dis[i]%=1000;
		}
		
		int[] dp=new int[1<<N];
		for(int i=1;i<(1<<N);i++)dp[i]=141421356;
		for(int i=0;i<(1<<N);i++){
			for(int j=0;j<N;j++){
				if((i&(1<<j))>0)continue;
				int buy=Math.Max(0,A[j]-Dis[i]);
				dp[i|(1<<j)]=Math.Min(dp[i]+buy,dp[i|(1<<j)]);
			}
		}
		Console.WriteLine(dp[(1<<N)-1]);
		
		
		
	}
	int N;
	int[] A;
	public Sol(){
		N=ri();
		A=new int[N];
		for(int i=0;i<N;i++)A[i]=ri();
	}




	static String rs(){return Console.ReadLine();}
	static int ri(){return int.Parse(Console.ReadLine());}
	static long rl(){return long.Parse(Console.ReadLine());}
	static double rd(){return double.Parse(Console.ReadLine());}
	static String[] rsa(){return Console.ReadLine().Split(' ');}
	static int[] ria(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>int.Parse(e));}
	static long[] rla(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>long.Parse(e));}
	static double[] rda(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>double.Parse(e));}
}