include[HTML_REMOVED]

using namespace std;

const int N = 360, M = 41;

int n, m;
int score[N];
int f[M][M][M][M];

int main()
{
int b[5] = {0};
scanf(“%d%d”, &n, &m);
for (int i = 0; i < n; i ++ ) scanf(“%d”, &score[i]);

for (int i = 0; i < m; i ++ )
{
    int t;
    scanf("%d", &t);
    b[t] ++ ;
}

for (int A = 0; A <= b[1]; A ++ )
    for (int B = 0; B <= b[2]; B ++ )
        for (int C = 0; C <= b[3]; C ++ )
            for (int D = 0; D <= b[4]; D ++ )
            {
                int t = score[A + B * 2 + C * 3 + D * 4];
                int &v = f[A][B][C][D];
                v = t;
                if (A) v = max(v, f[A - 1][B][C][D] + t);
                if (B) v = max(v, f[A][B - 1][C][D] + t);
                if (C) v = max(v, f[A][B][C - 1][D] + t);
                if (D) v = max(v, f[A][B][C][D - 1] + t);
            }

printf("%d\n", f[b[1]][b[2]][b[3]][b[4]]);
return 0;

}