#include<bits/stdc++.h>
using namespace std;
int main()
{
while (true) {
 string feedback; 
 command = ; 
cout << command << endl; 
 cin >> feedback; 
  if (all_explored) { 
  	cout << "END" << endl; 
	  cout << n << " " << m << endl; 
	  for (int i = 0; i < n; i++) { 
	  for (int j = 0; j < m; j++) { 
	  cout << map[i][j]; 
	  }
	  cout << endl; 
	  }
	  break; 
	   } 
	   else { 
	   ...;
	    } 
		}
	}