#include <bits/stdc++.h>
using namespace std;

ifstream fin("perle.in");
ofstream fout("perle.out");

int main() {
    int n;
    fin >> n;
    for (int i = 0; i < n; ++i) {
        int m;
        fin >> m;
        for (int j = 0; j < m; ++j) {
            int elem;
            fin >> elem;
        }
    }
    fout << 1 << '\n' << 0 << '\n' << 1;
    return 0;
}