#include using namespace std; using ll = long long; using ld = long double; using V = vector; using Vll = vector; using Vld = vector; using Vbo = vector; using VV = vector; using VVll = vector; using VVld = vector; using VVbo = vector; using VVV = vector; using VVVll = vector; using P = pair; using Pll = pair; using Pld = pair; #define rep2(i, m, n) for (int i = (m); i < (n); ++i) #define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i) #define rep(i, n) rep2(i, 0, n) #define drep(i, n) drep2(i, n, 0) #define all(a) (a).begin(), (a).end() // struct fast_ios { fast_ios(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; template inline int sz(T &x) { return x.size(); } template inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template istream &operator>>(istream &is, pair &p) { is >> p.first >> p.second; return is; } template ostream &operator<<(ostream &os, const pair &p) { os << '(' << p.first << ", " << p.second << ')'; return os; } template istream &operator>>(istream &is, vector &v) { for (auto &e : v) is >> e; return is; } template ostream &operator<<(ostream &os, const vector &v) { for (auto &e : v) os << e << ' '; return os; } template inline int count_between(vector &a, T l, T r) { return lower_bound(all(a), r) - lower_bound(all(a), l); } // [l, r) inline int fLog2(const int x) { assert(x > 0); return 31-__builtin_clz(x); } // floor(log2(x)) inline int fLog2(const ll x) { assert(x > 0); return 63-__builtin_clzll(x); } inline int cLog2(const int x) { assert(x > 0); return (x == 1) ? 0 : 32-__builtin_clz(x-1); } // ceil(log2(x)) inline int cLog2(const ll x) { assert(x > 0); return (x == 1) ? 0 : 64-__builtin_clzll(x-1); } inline int popcount(const int x) { return __builtin_popcount(x); } inline int popcount(const ll x) { return __builtin_popcountll(x); } void fail() { puts("-1"); exit(0); } // const int INF = 1<<30; // const ll INFll = 1ll<<62; // const ld EPS = 1e-10; // const ld PI = acos(-1.0); // const int MOD = int(1e9)+7; // const int MOD = 998244353; int main() { int n; cin >> n; if (n % 2 == 1) cout << 1 << ' ' << (n+1)/2 << endl; else cout << 2 << ' ' << n/2 << endl; while (true) { int t; cin >> t; if (t == 0) return 0; int k, x; cin >> k >> x; int y; if (x <= n/2) y = x + n/2 + 1; else y = x - n/2 - 1; cout << k << ' ' << y << endl; } }