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

def magic(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 = magic(cur+1, a, b, c)
    ret1 = magic(cur+1, a+l[cur], b, c) + 10
    ret2 = magic(cur+1, a, b+l[cur], c) + 10
    ret3 = magic(cur+1, a, b, c+l[cur]) + 10
    return min(ret0, ret1, ret2, ret3)

print(magic(ret0, ret1, ret2, ret3)