#include <bits/stdc++.h>
using namespace std;
string command="left";
bool all_explored;
char map[105][105];
int main(){
	while (true) {
		string feedback;
		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{
			if(command=="go"){
				
			}
		}
	}
	return 0;
}