#include<bits/stdc++.h>
using namespace std;
int n;
bool ask(int x,int y)
{
if(x<0||y<0||x>n||y>n) return false;
cout<<"examine "<<x<<" "<<y<<endl;
fflush(stdout);
string res;
cin>>res;
return (res=="true");
}
void answer(int x,int y)
{
cout<<"solution "<<x<<" "<<y<<endl;
fflush(stdout);
}
int main()
{
int x,y;
cin>>n>>x>>y;
int l=0,r=n-x,px=0,py=0,len=0;
while(l<=r)
{
int mid=(l+r)/2;
if(ask(x+mid,y)&&ask(x+mid*3/4,y)&&ask(x+mid/2,y)&&ask(x+mid/4,y)) l=mid+1,px=mid;
else r=mid-1;
}
l=0,r=n-y;
while(l<=r)
{
int mid=(l+r)/2;
if(ask(x,y+mid)&&ask(x,y+mid*3/4)&&ask(x,y+mid/2)&&ask(x,y+mid/4)) l=mid+1,py=mid;
else r=mid-1;
}
x+=px,y+=py;
l=0,r=min(x-1,y-1);
while(l<=r)
{
int mid=(l+r)/2;
if(ask(x-mid,y-mid)) l=mid+1,len=mid;
else r=mid-1;
}
y-=len;
l=0,r=min(n-y,x-1),len=0;
while(l<=r)
{
int mid=(l+r)/2;
if(ask(x-mid,y+mid)) l=mid+1,len=mid;
else r=mid-1;
}
answer(x+len/2,y+len/2);
}
