#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 {
		  ...
		  } 
		  }
		
	return 0;
}