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#include <fstream>
using namespace std;
ifstream fin("aprindere.in");
ofstream fout("aprindere.out");
int v[1001],i,sol,nr,x,t,j,y,ok,m,n;
int main(){
fin>>n>>m;
for(i=0;i<n;i++){
fin>>v[i];
}
for(i=1;i<=m;i++){
fin>>x>>t>>nr;
if(v[x]==0){
sol+=t;
for(j=1;j<=nr;j++){
fin>>y;
v[y]++;
v[y]=v[y]%2;
}
}
else{
for(j=1;j<=nr;j++){
fin>>y;
}
}
}
for(i=0;i<n;i++){
if(v[i]==0){
ok=1;
break;
}
}
if(ok==0){
fout<<sol<<"\n";
}
else{
fout<<-1<<"\n";
}
return 0;
}