#include <bits/stdc++.h>
using namespace std;
int main() {
	while (true) {
		string feedback;
		command = ...;
		cout << command << endl;
		feedback = get_feedback(command);
		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 { 
		...;
	 
	}
}