// Bismi ALlah #include "bits/stdc++.h" using namespace std; #define int long long signed main () { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, k, f = 0; cin >> n >> k; vector <int> g[n]; for(int i = 0; i < n; i ++) { int sz; cin >> sz; f = (sz > 0); for(;sz>0;sz--) { int v; cin >> v; g[i].push_back(v); } } if(f) cout << 2; else cout << 1; return 0; }