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

int main(){
	
	int n; cin >> n;
	
	vector<string> countries(n);
	for(int i = 0; i < n; i++) cin >> countries[i];
	
	sort(countries.begin(), countries.end());
	
	for(string &s : countries) cout << s << endl;
	
	return 0;
}