#include using namespace std; using ll = long long; int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); /* 凹関数なので三分探索 */ ll N, ansx; cin >> N; map, ll> mp; auto f=[&](ll x, ll y){ ll res; if (mp.count({x, y})) return mp[{x, y}]; cout << 1 << " " << x << " " << y << endl; cin >> res; return mp[{x, y}] = res; }; //X方向 ll l=-1e8, r=1e8+1, cl, cr; while(r-l>1){ cl = (l*2+r)/3; cr = (l+r*2)/3; if (f(cl, 0) > f(cr, 0)) l = cl; else r = cr; } ansx = l; //Y方向 l=-1e8; r=1e8+1; while(r-l>1){ cl = (l*2+r)/3; cr = (l+r*2)/3; if (f(0, cl) > f(0, cr)) l = cl; else r = cr; } cout << 2 << " " << ansx << " " << l << endl; return 0; }