#include <iostream>
#include <fstream>
using namespace std;
ifstream f("aprindere.in");
ofstream g("aprindere.out");
int n,m,v[1005],bec[1005][105],ct[1005],total,room;
int main()
{
    f>>n>>m;
    for(int i=0;i<n;++i) f>>v[i];
    for(int i=1;i<=m;++i)
    {
        f>>room;
        f>>ct[room];
        f>>bec[room][0];
        for(int j=1;j<=bec[room][0];++j)
        {
            f>>bec[room][j];
        }
    }
    for(int i=0;i<n;++i)
    {
        if(v[i]==0)
        {
            total+=ct[i];
            for(int j=1;j<=bec[i][0];++j)
            {
                if(v[bec[i][j]]) v[bec[i][j]]=0;
                else v[bec[i][j]]=1;
            }
        }
    }
    g<<total;
    return 0;
}