#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
    long long year,i=0,j=0,k=0,flag=0;
    while(scanf("%lld",&year)!=EOF)
    {
        if(flag>0){
		printf("\n");
		flag=1;
		}

        if(year<2000)
            break;
      if(((year%4==0)&&(year%100!=0))||(year%400==0))

            {printf("This is leap year.\n");
            i=1;}
        if(year%15==0)
            {printf("This is huluculu festival year.\n");
            j=1;}
         if((year%55==0)&&(((year%4==0)&&(year%100!=0))||(year%400==0)))
            {printf("This is bulukulu festival year.\n");
            k=1;}
        if(i==0&&j==0&&k==0)
               {
               printf("This is an ordinary year.\n");
               }

        i=j=k=0;

    }
    return 0;
}