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

#define SZ(a) (int)a.size()
#define ALL(a) a.begin(), a.end()
#define FOR(i, a, b) for (int i = (a); i<(b); ++i)
#define RFOR(i, b, a) for (int i = (b)-1; i>=(a); --i)
#define MP make_pair
#define PB push_back
#define F first
#define S second
#define FILL(a, b) memset(a, b, sizeof(a))

typedef long long LL;
typedef pair<int, int> PII;
typedef vector<int> VI;

typedef long double db;


bool check(int x, LL y){
	cout << "? " << x << " " << y << endl;
	string s;
	cin >> s;
	return s == "building";
}

int main()
{
	//ios::sync_with_stdio(false);
	//cin.tie(0);
	
	int w;
	LL h;
	cin >> w >> h;
	
	VI order(w);
	iota(ALL(order), 1);
	srand(447);
	random_shuffle(ALL(order));
	
	
	
	LL cur_h = 0;
	int where = 1; 
	for(int x : order){
		if(cur_h == h)
			continue;
			
		if(!check(x, cur_h + 1))
			continue;
		LL l = cur_h + 1, r = h + 1;
		while(r - l > 1){
			LL m = (l + r) / 2;
			if(check(x, m))
				l = m;
			else
				r = m;
		}
		cur_h = l;
		where = x;
	}
	cout << "! " << where << " " << cur_h << endl;
	
	
	return 0;
}