#include<bits/stdc++.h>
using namespace std;
string cl,fr,tmp;
int lx=-1,ly=-1;
int get(string a)
{
	if(a==cl)
		return 1;
	if(a==fr)
		return -1;
	for(int i=0;i<(int)a.size();i++)
		if(a[i]=='!')
			return 114514;
	return 0;
}
string ask(int x,int y)
{
	printf("%d %d\n",x,y);fflush(stdout);
	getline(cin,tmp);
	lx=x,ly=y;
	if(get(tmp)>1)
		exit(0);
	return tmp;
}
void solve()
{
	int l=0,r=1000000,x=0,y=1000000;
	ask(0,0);cl=ask(1,0);ask(999999,0);fr=ask(1000000,0);
	string t1=cl,t2=fr;
	if(cl==fr)
		l=r=0;
	ask(0,0);cl=ask(0,1);ask(0,999999);fr=ask(0,1000000);
	if(cl==fr)
		x=y=0,cl=t1,fr=t2;
	while(l<r||x<y)
	{
		if(l<r&&(lx==l||lx==r))
		{
			int mid=(l+r)/2;
			if(lx==l)
			{
				int res=get(ask(r,ly));
				if(res==1)
					l=mid+1;
				else if(res==0)
					l=r=mid;
				else
					r=mid;
			}
			else
			{
				int res=get(ask(l,ly));
				if(res==-1)
					l=mid+1;
				else if(res==0)
					l=r=mid;
				else
					r=mid;
			}
		}
		else if(x<y&&(ly==x||ly==y))
		{
			int mid=(x+y)/2;
			if(ly==x)
			{
				int res=get(ask(lx,y));
				if(res==1)
					x=mid+1;
				else if(res==0)
					x=y=mid;
				else
					y=mid;
			}
			else
			{
				int res=get(ask(lx,x));
				if(res==-1)
					x=mid+1;
				else if(res==0)
					x=y=mid;
				else
					y=mid;
			}
		}
		else
		{
			int tx=l,ty=x;
			if(rand()%2)
				tx=r;
			if(rand()%2)
				ty=y;
			ask(tx,ty);
		}
	}
	ask(l,x);ask(1000000-l,x);ask(l,1000000-x);ask(1000000-l,1000000-x);
}
int main()
{
	srand(time(0));
	solve();
	
	return 0;
}