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#include <fstream>
using namespace std;
ifstream fin("aprindere.in");
ofstream fout("aprindere.out");
int n,i,j,tr,t,c[1001],er[1001],m,a,nr;
int main()
{
fin>>n>>m;
for(i=0;i<n;i++)
fin>>c[i];
for(i=1;i<=m;i++)
{
fin>>a;
fin>>t;
fin>>nr;
for(j=1;j<=nr;j++)
fin>>er[j];
if(c[a]==0)
{
tr+=t;
for(j=1;j<=nr;j++)
{
if(c[er[j]]==1)
c[er[j]]=0;
else
c[er[j]]=1;
}
}
}
fout<<tr;
return 0;
}