#include<stdio.h>
int main(){
	int f[1000],n,i,j,temp;
	f[0]=2;
	f[1]=3;
	for(i=2;i<45;i++){
		f[i]=f[i-1]+f[i-2];
	}
	while(scanf("%d",&n)!=EOF){
		temp=0;
		for(i=0;i<45;i++){
			if(f[i]==n){
				printf("Lucky Day\n");
				temp=1;
				break;
			}
		}
		if(temp==0){
			printf("Bad Day\n");
		}
	}
	return 0;
}