#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 ;
}