#include<stdio.h>
#include<math.h>

int main()
{
    int t,s,m,k,i,flag=1;
     int a[10000];
	 
	 while(scanf("%d",&s)!=EOF)
	{    a[1]=1;
		 a[2]=1;
		 i=2;
	 while(a[i]<s)
	 {   i=i+1;
		 a[i]=a[i-1]+a[i-2];
		 if(s==a[i]) {flag=1;break;}
		 else {flag=0;}
	 }
		if(s==1) flag=1;
		if(flag==1) printf("Lucky Day\n");
		else printf("Bad Day\n");
	 }
    return 0;
}