//A buzz number is a number that is either divisble by 7 or has last digit as 7.
#include <iostream>
using namespace std;
int main()
{
  int n,t;
  cin >> t;
  while(t--)
  {
   cin >> n;
   if((n%7==0)||(n%10==7))
    cout << n << " is a buzz number" << endl;
   else
    cout << n << " is not a buzz number" << endl;
  }
  return 0;
}