#include<fstream>
using namespace std;
int a[1200],n,r,m,k;

int main()
{
    ifstream in("balanta.in");
    in>>n>>m;
    int i,j,t,x,ok=1;
    r=0;
    for (t=1;t<=m && ok;t++)
        {
            in>>k;
            for (i=1;i<=k && ok;i++)
                {
                    in>>x;
                    a[x]=t;
                }
            for (i=1;i<=k;i++)
                {
                    in>>x;
                    a[x]=t;
                }
            in>>r;
        }
    in.close();
    
    ofstream out("balanta.out");
    out<<0;
    out.close();
    
    return 0;
}