using System;
using System.Text;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using static System.Console;
using static System.Math;


namespace AtCoder
{
    public class Program
    {
        public static void Main(string[] args)
        {
            new Program().Solve(new ConsoleInput(Console.In, ' '));
        }

    public int MyMin(params int[] nums)
        {
            // 引数が渡されない場合
            if (nums.Length == 0) return 0;

            int min = nums[0];
            for (int i = 1; i < nums.Length; i++)
            {
                min = min < nums[i] ? min : nums[i];
                // Minの場合は不等号を逆にすればOK
            }
            return min;
        }

        public int Dfs(int N, ref int[] L, int nowIdx, int A, int B, int C, int a, int b, int c, int nowcost) 
        {
            if (nowIdx == N)
            {
                if (MyMin(a, b, c) == 0) return 1000000000;
                return Abs(A - a) + Abs(B - b) + Abs(C - c) + nowcost - 30;
            }

            int ans = 1000000000;
            ans = Min(ans, Dfs(N, ref L, nowIdx+1, A, B, C, a, b, c, nowcost));
            ans = Min(ans, Dfs(N, ref L, nowIdx+1, A, B, C, a+L[nowIdx], b, c, nowcost+10));
            ans = Min(ans, Dfs(N, ref L, nowIdx+1, A, B, C, a, b + L[nowIdx], c, nowcost+10));
            ans = Min(ans, Dfs(N, ref L, nowIdx+1, A, B, C, a, b , c + L[nowIdx], nowcost+10));
            return ans;
        }


    public void Solve(ConsoleInput cin)
        {
            // 解答はココに書く
            int  N, A, B, C;
            N = cin.ReadInt;
            A = cin.ReadInt;
            B = cin.ReadInt;
            C = cin.ReadInt;

            int [] L= new int[N];
            foreach ( var i in Enumerable.Range(0, N)) {
                L[i] = cin.ReadInt;
            }

            //WriteLine( Dfs(A,B,C, 0,ref L, N, 0));
            int ans = Dfs(N, ref L, 0, A,B,C,0,0,0,0);
            WriteLine(ans);

            
            
        }
    }

    public class ConsoleInput
    {
        private readonly System.IO.TextReader _stream;
        private char _separator = ' ';
        private Queue<string> inputStream;
        public ConsoleInput(System.IO.TextReader stream, char separator = ' ')
        {
            this._separator = separator;
            this._stream = stream;
            inputStream = new Queue<string>();
        }
        public string Read
        {
            get
            {
                if (inputStream.Count != 0) return inputStream.Dequeue();
                string[] tmp = _stream.ReadLine().Split(_separator);
                for (int i = 0; i < tmp.Length; ++i)
                    inputStream.Enqueue(tmp[i]);
                return inputStream.Dequeue();
            }
        }
        public string ReadLine { get { return _stream.ReadLine(); } }
        public int ReadInt { get { return int.Parse(Read); } }
        public long ReadLong { get { return long.Parse(Read); } }
        public double ReadDouble { get { return double.Parse(Read); } }
        public string[] ReadStrArray(long N) { var ret = new string[N]; for (long i = 0; i < N; ++i) ret[i] = Read; return ret; }
        public int[] ReadIntArray(long N) { var ret = new int[N]; for (long i = 0; i < N; ++i) ret[i] = ReadInt; return ret; }
        public long[] ReadLongArray(long N) { var ret = new long[N]; for (long i = 0; i < N; ++i) ret[i] = ReadLong; return ret; }
    }
}


Measured memory_bytes: 13396