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)
    ret2 = dfs(cur+1,a+l[cur],b,c)+10
    ret3 = dfs(cur+1,a,b+l[cur],c)+10
    ret4 = dfs(cur+1,a,b,c+l[cur])+10
    return min(ret0,ret1,ret2,ret3)
print(dfs(0,0,0,0))