#include<stdio.h>
int a[100000]={0};
int b[100000]={0};
void sum(int x,int y){
	if(x+y>50000){
		b[x+y-50000]=1;
	}
	else a[x+y]=1;
	int t=x+y;
	x=y;
	y=t;
	if(t>100010)return;
	else sum(x,y);
}
int main(){
	sum(1,1);
	int n;
	while(~scanf("%d",&n)){
		if(n>50000){
			if(b[n-50000]==1)printf("Lucky Day\n");
		    else printf("Bad Day\n");
		}
		else{
			if(a[n]==1)printf("Lucky Day\n");
		    else printf("Bad Day\n");
		}
	}
}