//Author: Kevin
#include<bits/stdc++.h>
//#pragma GCC optimize("O2")
using namespace std;
#define ll long long
#define ull unsigned ll
#define pb emplace_back
#define mp make_pair
#define ALL(x) (x).begin(),(x).end()
#define rALL(x) (x).rbegin(),(x).rend()
#define srt(x) sort(ALL(x))
#define rev(x) reverse(ALL(x))
#define rsrt(x) sort(rALL(x))
#define sz(x) (int)(x.size())
#define inf 0x3f3f3f3f
#define pii pair<int,int>
#define lb(v,x) (int)(lower_bound(ALL(v),x)-v.begin())
#define ub(v,x) (int)(upper_bound(ALL(v),x)-v.begin())
#define uni(v) v.resize(unique(ALL(v))-v.begin())
#define longer __int128_t
void die(string S){puts(S.c_str());exit(0);}
bool firstTime;
string Closer,Further,Same;
int lstx;
int lsty;
string go(int x,int y)
{
	lstx=x;
	lsty=y;
	if(!firstTime)
	{
		firstTime=1;
		cout<<x<<" "<<y<<endl;
		string s;
		getline(cin,s);
		if(s.back()=='!') exit(0);
		return s;
	}
	cout<<x<<" "<<y<<endl;
	string s;
	getline(cin,s);
	if(s.back()=='!') exit(0);
	if(s==Closer) return "Closer_";
	if(s==Further) return "Further_";
	if(s==Same) return "Same_";
	if(sz(Closer)&&sz(Further)) return "Same_";
	if(sz(Further)&&sz(Same)) return "Closer_";
	if(sz(Same)&&sz(Closer)) return "Further_";
	return s;
}
const int M=1000000;
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	go(0,0);
	string A=go(0,1);
	go(0,0);
	string B=go(1,0);
	if(A==B)
	{
		Closer=A;
		go(M/2,M/2);
		string C=go(M/2,M/2+1);
		if(C!="Closer_")
			Further=C;
		else
			Further=go(M/2,M/2-1);
	}
	else
	{
		go(M,0);
		Closer=go(M-1,0);
		if(A==Closer) Further=B;
		else Further=A;
	}
	int lx=0,rx=M;
	int ly=0,ry=M;
	while(lx<rx||ly<ry)
	{
		int midx=(lx+rx)/2;
		int midy=(ly+ry)/2;
		go(midx,midy);
		string state=go(midx,midy+1);
		if(state=="Further_")
			ry=midy;
		else
			ly=midy+1;
		state=go(midx+1,midy+1);
		if(state=="Further_")
			rx=midx;
		else
			lx=midx+1;
	}
	go(lx,ly);
	return 0;
}