#include <fstream>

using namespace std;
int main()
{
    ifstream cin("balanta.in");
    ofstream cout("balanta.out");
    int n,m,k,s=0,s2=0,r,s1=0,s21=0,cnt=0,ci,a;
    cin>>n>>m;
    for(int i=1; i<=m; i++)
    {
        cin>>k;
        for(int j=1; j<=k; j++)
        {
            cin>>a;
        }
        for(int j=k+1; j<=k*2; j++)
        {
            cin>>a;
        }
        cin>>r;
    }
    cout<<0;
            return 0;
}