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) 
    else:
      return inf
  else:  
  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))