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