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#include<cstdio>
using namespace std;
int v[1001];
int vt[1001];
int main()
{
freopen("aprindere.in","r",stdin);
freopen("aprindere.out","w",stdout);
int n,i,m,c=10004,t,nr,tt=0,j,h;
scanf("%d%d",&n,&m);
for(i=0;i<n;i++)
{
scanf("%d",&v[i]);
}
for(i=0;i<n;i++)
{
if(v[i]==0)
{
while(c!=i)
{
scanf("%d%d%d",&c,&t,&nr);
for(h=1;h<=nr;h++)
{
scanf("%d",&vt[h]);
}
}
if(c==i)
{
for(h=1;h<=nr;h++)
{
v[vt[h]]=(v[vt[h]]+1)%2;
}
tt+=t;
}
}
}
printf("%d",tt);
return 0;
}