#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> ii;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef vector<vvvi> vvvvi;
typedef vector<ii> vii;

#define x first
#define y second
#define pb push_back
#define eb emplace_back
#define all(v) (v).begin(), (v).end()

void run() {
	ll w, h;
	cin >> w >> h;
	vi A(w);
	for(ll i = 0; i < w; i++) {
		A[i] = i + 1;
	}
	for(ll i = w - 1; i > 0; i--) {
		swap(A[i], A[rand() % i]);
	}
	ll r  = 1;
	ll rh = 0;
	for(ll x : A) {
		cout << "? " << x << " " << rh + 1 << endl;
		string a;
		cin >> a;
		if(a[0] == 'b') {
			ll lower = rh + 1;
			ll upper = h + 1;
			while(upper - lower > 1) {
				ll middle = (lower + upper) / 2;
				cout << "? " << x << " " << middle << endl;
				string b;
				cin >> b;
				if(b[0] == 'b') {
					lower = middle;
				} else {
					upper = middle;
				}
			}
			rh = lower;
			r  = x;
		}
		if(rh == h) break;
	}
	cout << "! " << r << " " << rh << endl;
}

signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout << fixed << setprecision(20);
	run();
	return 0;
}