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