#include<bits/stdc++.h>
using namespace std ;

int main()
{
	while (true) 
	{
		string feedback;
   		command = 1 ;  
   		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 ;
}