#include<bits/stdc++.h>
using namespace std;
int main(){
	int all_explored; 
	int n,m;
	int map[n][m];
	while(true){
		string feedback;
		int command=0; 
		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;
}