#include using namespace std; int main() { int n; cin >> n; if (n % 2 == 0) { cout << "2 " << n / 2 << endl; } else { cout << "1 " << (n + 1) / 2 << endl; } for (;;) { int t; cin >> t; if (t == 0) return 0; if (t == 1) return 1; if (t == 2) return 0; int k, x; cin >> k >> x; cout << k << " " << n - x - k + 2 << endl; } }