import sys
sys.setrecursionlimit(100000)
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:
        return abs(a-A)+abs(b-B)+abs(c-C) - 30 if min(a, b, c) >0 else 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))