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#include <fstream>
using namespace std;
ifstream f("balanta.in");
ofstream g("balanta.out");
int mici[1100],mari[1100],st[1100],dr[1100],i,j,n,k,s,ii,m,rez,s1,ii1;
int main()
{
f>>n>>m;
for(;m--;){
f>>k;
for(i=1;i<=k;i++)
f>>st[i];
for(i=1;i<=k;i++)
f>>dr[i];
f>>rez;
if(rez==0)
for(i=1;i<=k;i++){
mari[st[i]]=1; mici[st[i]]=1;
mari[dr[i]]=1; mici[dr[i]]=1;
}
if(rez==1)
for(i=1;i<=k;i++){
mari[dr[i]]=1;
mici[st[i]]=1;
}
if(rez==2)
for(i=1;i<=k;i++){
mari[st[i]]=1;
mici[dr[i]]=1;
}
}
s=0;
for(i=1;i<=n;i++){
if(mari[i]==0){
ii=i;s++;
}
if(mici[i]==0){
ii1=i;s1++;
}
}
if(s==1)
g<<ii;
else
if(s1==1)
g<<ii1;
else
g<<0;
return 0;
}