#include<stdio.h>
int main(){
  int n;
  int i;
  int x;
  int a[100];
  a[0]=2;
  a[1]=3;
  for(i=2;i<=45;++i){
  	a[i]=a[i-1]+a[i-2];
  }	
  while(scanf("%d",&n)!=EOF){
  	x=0;
  	for(i=0;i<=45;++i){
  		if(a[i]==n){
  			x=1;
  			break;
		  }
	  }
	  if(x!=0){
	  	printf("Lucky Day\n");
	  }
	  else printf("Bad Day\n");
  }
  return 0;
}