N, A, B, C = map(int, input().split())
l = [int(input()) for i in range(N)]
INF = 10 ** 9

def dfs(cur, a, b, c):
  if cur == N:
    if min(a,b,c) > 0:
    	return abs(a-A) + abs(B-b) + abs(C-c) - 30
    else:
      return INF
  ret0 = dfs(cur+1, a, b, c)
  ret1 = dfs(cur+1, a+l[cur], b, c) + 10
  ret2 = dfs(cur+1, a, b+l[cur], c) + 10
  ret3 = dfs(cur+1, a, b, c+l[cur]) + 10
  return min(ret0,ret1,ret2,ret3)
 
print (dfs(0,0,0,0))