#include<bits/stdc++.h>
using namespace std;
string command;
int n,m;
int main()
{
	while(1)
	{
		sting feedback;
		command="LEFT";
		cout<<command<<endl;
		cin>>feedback;
		if(all_explored)
		{
			cout<<"END"<<endl;
			cout<<n<<" "<<m<<endl;
			for(int i=0;i<nn;i++)
			{
				for(int j=0;j<m;j++)
				{
					cout<<map[i][j];
				}
				cout<<endl;
			}
			break;
		}
	}
	return 0;
}