#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 {
... //
}
}
}