#include<iostream>
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 {
		... //
	}
	}
	cout << command << endl;
	feedback = get_feedback(command);
	return 0;
}