#include <bits/stdc++.h>
#pragma GCC optimize("O3")

#define fi first
#define se second
#define vi vector<int>
#define vpi vector<pair<int,int>>
#define vll vector<ll>
#define vpll vector<pair<ll,ll>>

#define si(v) int((v).size())
#define all(v) (v).begin(), (v).end()
#define rep(i, n) for (ll i = 0; i < (ll)(n); ++i) 
#define rep2(i, n, m) for (ll i = n; i <= (ll)(m); ++i)
#define rep3(i, n, m) for (ll i = n; i >= (ll)(m); --i)

template<class T, class U> void chmax(T &a, U b) { if (a < b) a = b; }
template<class T, class U> void chmin(T &a, U b) { if (a > b) a = b; }

using ll = long long;
using ld = long double;
using namespace std;

constexpr ll MOD = 1000000007;

signed main()
{
  cout << fixed << setprecision(20);
  ios::sync_with_stdio(false);
  cin.tie(0);

  int n; cin >> n;

  if (n % 2) cout << 1 << " " << (n+1)/2 << endl;
  else cout << 2 << " " << n/2 << endl;

  while (true) {
    int t; cin >> t;

    if (t == 0) break;
    int k, x; cin >> k >> x;

    cout << k << " " << n + 2 - x - k << endl;
  }

  return (0);
}