#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 { ... // } }
}