#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;	
	}