#include<stdio.h>
int main()
{
    int n ;
    
    while(scanf("%d",&n)!=EOF){
	int a=1,b=1,c=0 ,d=0;
    while(c<n){
    	
    	c=a+b;
		a=b;
    	b=c;
    	
    	
    	
		
	}
	
	if(c==n)
    		printf("Lucky Day\n");
	else
	printf("Bad Day\n");
	
    }
    return 0;
}