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

int main() {
	cout << "12" << endl;
	cout << "20" << endl;
	cout << "21" << endl;
	cout << "22" << endl;
	cout << "23" << endl;
	cout << "24" << endl;
	cout << "25" << endl;
	cout << "26" << endl;
	cout << "27" << endl;
	cout << "28" << endl;
	cout << "29" << endl;
	cout << "32" << endl;
	cout << "42" << endl;
	cout << "52" << endl;
	cout << "62" << endl;
	cout << "72" << endl;
	cout << "82" << endl;
	cout << "92" ;
	return 0;
}