// 506895 Kiri8128さんの解答を参考
// Python3 -> c++
#include <bits/stdc++.h>
using namespace std;


int main(){
  int N, t, k, x;
  cin >> N;

  if (N % 2 == 0) {
    cout << 2 << " " << N / 2 << endl;
  } else {
    cout << 1 << " " << N / 2 + 1 << endl;
  }
  
  while (1) {
    cin >> t;
    if (t <= 1) break;
    cin >> k >> x;
    cout << k << " " << N + 2 - x - k << endl;
  }
  return 0;
}