#include<stdio.h>
int main(){
   int a[50];
   int n;
   int i;
   a[1]=2; a[2]=3;
   for(i=3;i<50;++i)
       a[i]=a[i-1]+a[i-2];
	   while(scanf("%d",&n)!= EOF){
	         int x=0;
			 for(i=1;i<50;++i)
				 if(a[i]==n){
					 x = 1;
					 break;}
			 if(x==1)
				 printf("Lucky Day\n");
			 else
				 printf("Bad Day\n");
	   }
	   return 0;
}