#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;

    auto query = [&](int i, int j, int k) {
        cout << "? " << i << " " << j << " " << k << endl;
        int r;
        cin >> r;
        return r;
    };

    mt19937 rnd(228);
    vector<int> a(n);
    iota(a.begin(), a.end(), 1);
    shuffle(a.begin(), a.end(), rnd);
    int x = a[0], y = a[1];
    for (int i = 2; i < n; ++i) {
        int z = a[i];
        if (query(x, y, z)) {
            continue;
        }
        if (query(z, y, x)) {
            x = z;
        } else {
            y = z;
        }
    }
    cout << "! " << x << " " << y << '\n';

    return 0;
}