#include <bits/stdc++.h>
using namespace std;
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	string s;
	cout<<"LEFT\n";
	cin>>s;
	if(s=="W") cout<<"RIGHT\n";
	if(s=="S") {
		cout<<"RIGHT\n";
		cin>>s;
		cout<<"RIGHT\n";
	}
	if(s=="E") cout<<"LEFT\n";
	cin>>s;
	cout<<"GO\n";
	cin>>s;
	if(s=="FAIL") {
		cout<<"LEFT\n";
		cin>>s;
		cout<<"GO\n";
		cin>>s;
		if(s=="FAIL") {
			cout<<"LEFT\n";
			cin>>s;
			cout<<"GO\n";
			cin>>s;
			if(s=="FAIL") {
				cout<<"LEFT\n";
				cin>>s;
				cout<<"GO\n";
				cin>>s;
				if(s=="FAIL") {
					cout<<"END\n";
					cout<<"3 3\n";
					cout<<"###\n";
					cout<<"#.#\n";
					cout<<"###";
					return 0;
				}
			}
		}
	}
	return 0;
}