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