#include<bits/stdc++.h>
using namespace std;
int main()
{
	int command,feedback;
	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;
}