#include <bits/stdc++.h>
#define rep(a,n) for (ll a = 0; a < (n); ++a)
using namespace std;
using ll = long long;
typedef pair<ll,ll> P;
typedef pair<P,ll> PP;
typedef vector<vector<ll> > Graph;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
const ll INF = 1e18;


//入力
ll n;
ll t;
ll k,x;

int main(){
    cin >> n;
    if(n%2==0){
        cout << 2 << ' ' << n/2 << endl;
    }
    else{
        cout << 1 << ' ' << n/2+1 << endl;
    }
    cout.flush();
    while(1){
        cin >> t;
        if(t==0)return 0;
        cin >> k >> x;
        cout << k << ' ' << n+2-k-x << endl;
        cout.flush();
    }


    return 0;
    
}