#include <bits/stdc++.h>
using namespace std;
struct Switch{
    int t,nr,NR[101];
    void Read(){
        scanf("%d %d",&t,&nr);
        for(int i=1;i<=nr;++i)
            scanf("%d",&NR[i]);
    }
}C[1001];
bool on[1001];
int main(){
    freopen("aprindere.in","r",stdin);
    freopen("aprindere.out","w",stdout);
    int n,m;
    scanf("%d %d",&n,&m);
    for(int i=0;i<n;++i)
        scanf("%d",&on[i]);
    for(int i=1;i<=m;++i){
        int c;
        scanf("%d",&c);
        C[c].Read();
    }
    int total=0;
    for(int i=0;i<n;++i){
        if(!on[i]){
            total+=C[i].t;
            for(int j=1;j<=C[i].nr;++j)
                on[C[i].NR[j]]=!on[C[i].NR[j]];
        }
    }
    printf("%d\n",total);
    return 0;
}