#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,m;
	int map[10000][10000];
	while (true) {
		string feedback;
		int command; 
    	cout << command << endl; 
		cin >> feedback;
		int all_explored;
		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; 
		}
	}
	return 0;
}