#include <iostream>
#include <sstream>
#include <vector>
#include <string>

using namespace std;

int main(){
	int n;
	cin >> n;

	while(n != 0){
			for(int i = 0; i < n; i++){
			
			vector<int> v;
			int k;
			string s;

			while(getline(cin, s)){
				stringstream ss(s);
				
				while(ss >> k){
					v.push_back(k);
				}

			}
			

		}

	}


	cout << "end" << endl;	


	return 0;
}