#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef long double ld;
typedef unsigned int uint;
typedef vector<int> vi;
typedef vector< vector <int> > vvi;
typedef pair<int, int> pii;
typedef pair < pair < int, int >, int > piii;
typedef pair < pair <int, int > , pair <int, int> > piiii;
typedef pair<ll, ll> pll;
typedef vector<bool> vb;
typedef vector<char> vc;
typedef vector<string> vs;
 
#define FOR(i,a,b) for(int i = a; i < b; i ++)
#define RFOR(i,a,b) for(int i = a-1; i >= b; i --)
#define all(a) a.begin(), a.end()
//#define endl '\n';
#define sz(x) (int)(x).size()
 
#define mp make_pair
#define pb push_back
#define ff first
#define ss second
 
template <typename T>
void pr(vector<T> &v) {
    FOR(i, 0, sz(v)) cout << v[i] << " ";
    cout << endl;
}
template <typename T>
void pr(vector<vector<T> > &v) {
    FOR(i, 0, sz(v)) { pr(v[i]); }
}
template <typename T>
void re(T &x) {
    cin >> x;
}
template <typename T>
void re(vector<T> &a) {
    FOR(i, 0, sz(a)) re(a[i]);
}
template <class Arg, class... Args>
void re(Arg &first, Args &... rest) {
    re(first);
    re(rest...);
}
template <typename T>
void pr(T x) {
    cout << x << endl;
}
template <class Arg, class... Args>
void pr(const Arg &first, const Args &... rest) {
    cout << first << " ";
    pr(rest...);
    cout << endl;
}
void ps() { cout << endl; }
template<class T, class... Ts>
void ps(const T& t, const Ts&... ts) {
    cout << t; if (sizeof...(ts)) cout << " "; ps(ts...);
}
 
const ll MOD  =  998244353;
#define inf 1e18;
#define INF INT_MAX;
 
long double PI = 4*atan(1);
long double eps = 1e-12;

string close = "", far = "";

// ll P_X = -1;
// ll P_Y = -1;

// ll ANS_X = 54;
// ll ANS_Y = 32;

int cntr = 4;

// string spit(ll x, ll y) {
//     ll T_X = P_X, T_Y = P_Y;
//     P_X = x; P_Y = y;
    
//     if(T_X < 0) {
//         return "garbo";
//     }

//     ll d_pre = (ANS_X - T_X) * (ANS_X - T_X) + (ANS_Y - T_Y) * (ANS_Y - T_Y);
//     ll d_cur = (ANS_X - x) * (ANS_X - x) + (ANS_Y - y) * (ANS_Y - y);

//     if(d_cur == 0) {
//         cout << "correct guess " << x << " " << y << endl;
//         return "YES!";
//     }
//     if(d_pre < d_cur) return "FARTHER";
//     if(d_pre > d_cur) return "CLOSER";
//     return "SAME DIST";
// }

int process(int x, int y) {
    cntr++;
    // cout << "C: " << cntr << endl;
    string res; 
    cout << x << " " << y << endl;
    getline(cin, res);
    // res = spit(x,y);
   
    int n = res.length();

    if(res[n-1] == '!') {
        return 100;
    }
    if(res == close) return 1;
    if(res == far) return -1;
    return 0;
}

int main() {
    //auto start = chrono::high_resolution_clock::now();
   // ios_base::sync_with_stdio(0);cin.tie(0);
    // freopen("promote.in", "r", stdin);
	// freopen("promote.out", "w", stdout);
    #ifdef DEBUG
      freopen("input.txt", "r", stdin);
      freopen("output.txt", "w", stdout);
    #endif 

    // cin >> ANS_X >> ANS_Y;

    string res;
    cout << 0 << " " << 0 << endl;
   getline(cin, res);
    // res = spit(0,0);
    if(res[res.size() - 1] == '!') return 0;
    
    
    cout << 1 << " " << 1 << endl;
    getline(cin, res);
    // res = spit(1,1);
    if(res[res.size() - 1] == '!') return 0;
    close = res;
    

    cout << 0 << " " << 1 << endl;
    getline(cin, res);
    // res = spit(0,1);
    if(res[res.size() - 1] == '!') return 0;
    if(res != close) {
        far = res;
    }
    
    cout << 1 << " " << 0 << endl;
    getline(cin, res);
    // res = spit(1,0);

    if(res[res.size() - 1] == '!') return 0;
    if(res != close && far == "") {
        far = res;
    }

    // cout << close << " | " << far << endl;

    int lo_x = 0;
    int hi_x = 1000000;
    int lo_y = 0;
    int hi_y = 1000000;

    
    while(lo_x < hi_x || lo_y < hi_y) {
       // cout << lo_x << " " << hi_x << " | " << lo_y << " " << hi_y << endl;
        int mid_x = (lo_x + hi_x)/2;
        int mid_y = (lo_y + hi_y)/2;

        int nlo_x = lo_x;
        int nlo_y = lo_y;
        int nhi_x = hi_x;
        int nhi_y = hi_y;

        int ans1 = process(lo_x, lo_y);
        if(ans1 == 100) return 0;

        if(lo_x < hi_x) {
            int ans2 = process(hi_x, lo_y);
            if(ans2 == 100) return 0;

            if(ans2 == 1) {
                nlo_x = mid_x + 1;
            }
            if(ans2 == -1) {
                nhi_x = mid_x - (hi_x - lo_x + 1) % 2;
            }
            if(ans2 == 0) {
                nlo_x = mid_x;
                nhi_x = mid_x;
            }
        }

        

        if(lo_y < hi_y) {
            int ans3 = process(hi_x, hi_y);
            if(ans3 == 100) return 0;
            if(ans3 == 1) {
                nlo_y = mid_y + 1;
            } else if(ans3 == -1) {
                nhi_y = mid_y - (hi_y - lo_y + 1) % 2;
            } else {
                nlo_y = mid_y;
                nhi_y = mid_y;
            }
        }
        lo_x = nlo_x;
        lo_y = nlo_y;
        hi_x = nhi_x;
        hi_y = nhi_y;
    }

    
    int ans1 = process(lo_x, lo_y);


    // auto stop = chrono::high_resolution_clock::now();
    // auto duration = chrono::duration_cast<chrono::microseconds>(stop - start);
    // cout << duration.count() << endl;
    //cin.close();
    //cout.close();
}