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)
    re1 = 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))