#include <bits/stdc++.h>
 
using namespace std;
 
int main() {
    ifstream in("cbinteractiv.in");
 
    int tip, n; in >> tip >> n;
    int interactor_n; cin >> interactor_n;
 
    assert(interactor_n == n);
 
    if(tip == 1) {
        int k; in >> k;
 
        cout << "! " << k << endl;
        cout.flush();
    }
 
    return 0;
}