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#include<fstream>
using namespace std;
ifstream f("balanta.in");
ofstream g("balanta.out");
int n,m,i,k,r,x,s;
bool h[1025],l[1025],a[1025],b[1025];
int main()
{
f>>n>>m;
for(i=1; i<=n+1; i++) h[i]=l[i]=1;
while(m--)
{
for(i=1; i<=n; i++) a[i]=b[i]=0;
f>>k;
for(i=1; i<=k; i++)
{
f>>x; a[x]=1;
}
for(i=1; i<=k; i++)
{
f>>x; b[x]=1;
}
f>>r;
for(i=1; i<=n; i++)
{
if(!r)
{
if( a[i] || b[i] ) h[i]=l[i]=0;
}
else if(r==1)
{
h[i]*=a[i]; l[i]*=b[i];
}
else
{
h[i]*=b[i]; l[i]*=a[i];
}
}
}
for(i=1; i<=n; i++) s+=h[i]+l[i];
i=1;
while(!h[i] && !l[i]) i++;
if(s<2) g<<i; else g<<0;
return 0;
}