/* enum.c */
/* example of enum */
#include <stdio.h>

enum Day_of_Week {SUN,MON,TUE,WED,THU,FRI,SAT};

main()
{
	enum Day_of_Week day;
	char buf[80];

	while (fgets(buf,80,stdin)!=NULL) {
		sscanf(buf,"%d",&day);
		if (day == SUN || day == SAT) {
			printf("It is holiday\n");
		} else {
			printf("It is work day\n");
		}
	}
}