#include<iostream>
using namespace std;
int main()
{
	while (true) 
	{    
		string feedback;
    	command = 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 
		{    
		      
	    }
	}
	return 0;
}