import sys
sys.setrecursionlimit(10**8)
def ii(): return int(sys.stdin.readline())
def mi(): return map(int, sys.stdin.readline().split())
def li(): return list(map(int, sys.stdin.readline().split()))
def li2(N): return [list(map(int, sys.stdin.readline().split())) for _ in range(N)]
def dp2(ini, i, j): return [[ini]*i for _ in range(j)]
#import bisect #bisect.bisect_left(B, a)
#from collections import defaultdict #d = defaultdict(int) d[key] += value
#from collections import Counter # a = Counter(A).most_common()
#from itertools import accumulate #list(accumulate(A))
import itertools

N, *A = mi()
L = [ii() for _ in range(N)]
L_ = [L[i] for i in range(N)]
N_ = N

A = sorted(A)
#sum_l = sum(L)
tmp = [0] * 3
ans = float('inf')

for k in itertools.product([0,1], repeat=N_):
    #print(k)
    N = sum(k)
    if N < 3:
        continue
    L = [L_[x]*k[x] for x in range(N_)]
    sum_l = sum(L)
    for i in range(1, N+1):
        #for koho_i in itertools.product([0, 1], repeat=N):
        for koho_i in range(1, 2**i):
            #for j in range(1, N-i):
                #for koho_j in itertools.product([0, 1], repeat=N):
            for koho_j in range(1, 2**i):
                j = i
                #print(koho_i, koho_j)
                if koho_i & koho_j:
                    continue
                #tmp[0] = [L[x]*koho_i[x] for x in range(i)]
                tmp[0] = sum([L[x]*min((koho_i & 1<<x), 1) for x in range(i)])
                #tmp[1] = [L[x]*koho_j[x] for x in range(j)]
                tmp[1] = sum([L[x]*min((koho_j & 1<<x), 1) for x in range(j)])
                tmp[2] = sum_l - tmp[0] - tmp[1]
                #print(tmp)

                if 0 in tmp:
                    continue

                tmp = sorted(tmp)
                cost = (N-3) * 10 + sum([abs(tmp[x]-A[x]) for x in range(3)])
                #if cost < ans:
                    #print(tmp, cost, N)
                #if tmp[0] == 80 and tmp[1] == 91 and tmp[2] == 98:
                    #print(cost)
                ans = min(ans, cost)

print(ans)


