N, A, B, C = map(int, input().split())
l = [int(input()) for i in range(N)]
INF = 10 ** 9
def calc(take, a, b, c):
    if take == N:
        return abs(a-A)+abs(b-B)+abs(c-C) -30 if min(a,b,c)>0 else INF
    ret0 = calc(take+1, a, b, c)
    ret1 = calc(take+1, a+l[take], b, c) + 10
    ret2 = calc(take+1, a, b+l[take], c) + 10
    ret3 = calc(take+1, a, b, c+l[take]) + 10
    return min(ret0, ret1, ret2, ret3)
    
print(calc(0,0,0,0))