#include<stdio.h>
int main(){
	int n,i,j,a,b,c,flag;
	while(~scanf("%d",&n)){
		a=2;b=3;c=5;flag=0;
		while(n>c){
			c=a+b;if(c==n){flag=1;}
			a=b;
			b=c;
		}if(flag||n==2||n==3||n==5){printf("Lucky Day\n");}
		else{printf("Bad Day\n");}
	}
}