#include <stdlib.h>
#include <stdio.h>
#include <string.h>
char LeapYearOrNot(char *year,int Digits){
int Last4Digits = atoi(year+Digits-4);
if(Last4Digits%4 == 0 && Last4Digits%100 != 0 || Last4Digits%400 == 0)
return 'y';
else
return 'n';
}
char HuluculuOrNot(char *year,int Digits){ //15的倍數
int i,Sum = 0;
for(i=0;i<Digits;i++)
Sum += year[i];
if(Sum % 3 == 0 && (year[Digits-1] == '0' || year[Digits-1] == '5'))
return 'y';
else
return 'n';
}
char BulukuluOrNot(char *year,int Digits){
int i,Difference;
for(i=0,Difference=0;i<Digits;i++){
if(i % 2 == 0) Difference += year[i];
else Difference -= year[i];
}
if(abs(Difference) % 11 == 0 && (year[Digits-1] == '0' || year[Digits-1] == '5'))
return 'y';
else
return 'n';
}
int main(void){
char *year = malloc(sizeof(char)*50);
while(~scanf("%s",year)){
char year_flag=0;
int Digits = strlen(year);
if(LeapYearOrNot(year,Digits) == 'y'){
printf("This is leap year.\n");
year_flag = 1;
}
if(HuluculuOrNot(year,Digits) == 'y'){
printf("This is huluculu festival year.\n");
year_flag = 1;
}
if(BulukuluOrNot(year,Digits) == 'y' && LeapYearOrNot(year,Digits) == 'y'){
printf("This is bulukulu festival year.\n");
year_flag = 1;
}
if(!year_flag)
printf("This is an ordinary year.\n");
printf("\n");
}
}