#include <bits/stdc++.h> #include <atcoder/all> using namespace std; using namespace atcoder; istream &operator>>(istream &is, modint &a) { long long v; is >> v; a = v; return is; } ostream &operator<<(ostream &os, const modint &a) { return os << a.val(); } istream &operator>>(istream &is, modint998244353 &a) { long long v; is >> v; a = v; return is; } ostream &operator<<(ostream &os, const modint998244353 &a) { return os << a.val(); } istream &operator>>(istream &is, modint1000000007 &a) { long long v; is >> v; a = v; return is; } ostream &operator<<(ostream &os, const modint1000000007 &a) { return os << a.val(); } typedef long long ll; typedef vector<vector<int>> Graph; typedef pair<int, int> pii; typedef pair<ll, ll> pll; #define FOR(i,l,r) for (int i = l;i < (int)(r); i++) #define rep(i,n) for (int i = 0;i < (int)(n); i++) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define my_sort(x) sort(x.begin(), x.end()) #define my_max(x) *max_element(all(x)) #define my_min(x) *min_element(all(x)) 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 int INF = (1<<30) - 1; const ll LINF = (1LL<<62) - 1; const int MOD = 998244353; const int MOD2 = 1e9+7; const double PI = acos(-1); vector<int> di = {1,0,-1,0}; vector<int> dj = {0,1,0,-1}; #ifdef LOCAL # include <debug_print.hpp> # define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define debug(...) (static_cast<void>(0)) #endif // [l1, r1), [l2, r2) (0-indexed) int query(int l1, int r1, int l2, int r2){ cout << "? "; cout << l1 + 1 << ' '; cout << r1 << ' '; cout << l2 + 1 << ' '; cout << r2 << endl; int X; cin >> X; return X; } int main(){ cin.tie(0); ios_base::sync_with_stdio(false); int N, Q; cin >> N >> Q; vector<int> A(N); vector<int> mx, mn; rep(i, N / 2) { int X = query(2 * i, 2 * i + 1, 2 * i + 1, 2 * i + 2); if(X == 1) { mn.push_back(2 * i); mx.push_back(2 * i + 1); } if(X == 0) { mn.push_back(2 * i + 1); mx.push_back(2 * i); } if(X == -1){ return 0; } } while((int)mn.size() > 1){ vector<int> nmn; while((int)mn.size() >= 2){ int p = mn.back(); mn.pop_back(); int q = mn.back(); mn.pop_back(); int X = query(p, p + 1, q, q + 1); if(X == 1){ nmn.push_back(p); } if(X == 0){ nmn.push_back(q); } if(X == -1){ return 0; } } while(!mn.empty()){ nmn.push_back(mn.back()); mn.pop_back(); } swap(nmn, mn); } while((int)mx.size() > 1){ vector<int> nmx; while((int)mx.size() >= 2){ int p = mx.back(); mx.pop_back(); int q = mx.back(); mx.pop_back(); int X = query(p, p + 1, q, q + 1); if(X == 1){ nmx.push_back(q); } if(X == 0){ nmx.push_back(p); } if(X == -1){ return 0; } } while(!mx.empty()){ nmx.push_back(mx.back()); mx.pop_back(); } swap(nmx, mx); } assert((int)mx.size() == 1); assert((int)mn.size() == 1); cout << "! "; cout << mn[0] + 1 << ' '; cout << mn[0] + 1 << ' '; cout << mx[0] + 1 << ' '; cout << N << endl; }