#ifndef _TEMPLATE_ROOT
#define _TEMPLATE_ROOT
#include "bits/stdc++.h"
using namespace std;
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define repl(i, a, b) for(ll i = a; i < (b); ++i)
#define repd(i, a, b) for(int i = b; i >= (a); --i)
#define repdl(i, a, b) for(ll i = b; i >= (a); --i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
template<typename H> bool chmin(H& v1, const H v2) { if (v1 > v2) { v1 = v2; return true; } return false; }
template<typename H> bool chmax(H& v1, const H v2) { if (v1 < v2) { v1 = v2; return true; } return false; }
#endif
#ifndef _TEMPLATE_IO
#define _TEMPLATE_IO

template<typename H> void read(H& head) { cin >> head; }
template<typename H, typename ...T> void read(H& head, T& ...tail) { cin >> head; read(tail...); }
template<typename H> void write(H head) { cout << head << '\n'; }
template<typename H, typename ...T> void write(H head, T ...tail) { cout << head << " "; write(tail...); }
template<typename ...T> void die(T ...tok) { write(tok...); exit(0); }
#endif
using namespace std;

int main() {
	cin.tie(0)->sync_with_stdio(0);
	cin.exceptions(cin.failbit);

  int n; read(n);
  if (n % 2 == 1) {
    write(1, (n + 1) / 2);
  } else {
    write(2, n / 2);
  }

  cout << flush;

  int t; cin >> t;

  while (t != 0) {
    int k, x; read(k, x);
    write(k, n + 2 - x - k);
    cout << flush;
    cin >> t;
  }
}