N, A, B, C = map(int, input().split())
L = [int(input()) for _ 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))