#include <stdio.h>
int cam [1000],n,m,c,tc,nrc,in[1000],ct=0;

void citire ()
{
 scanf("%d %d", &n, &m);
 for (int i=0;i<n;i++) scanf("%d", &cam[i]);

}

void aprinde (int i)
{
 c=-1;
 while (c!=i)
 {
 scanf("%d %d %d",&c,&tc,&nrc);
 for (int j=1;j<=nrc;j++) scanf("%d",&in[j]);
 }
 for (int j=1;j<=nrc;j++) cam[in[j]]=1;

 ct+=tc;

}



int main()
{
freopen("aprindere.in","r", stdin);
freopen("aprindere.out", "w", stdout);

citire();

for (int i=0;i<n;i++)
  if (cam[i]!=1) aprinde(i);

printf("%d", ct);

return 0;
}