#include<iostream>
using namespace std;
int main()
{
int n;
cin >> n;
if (n >= 1 && n <= 2 || n==12)
cout << "iarna";
if (n >= 3 && n <= 5)
cout << "primavara";
if (n >= 6 && n <= 8)
cout << "vara";
if (n >= 9 && n <= 11)
cout << "toamna";
return 0;
}