#include<stdio.h>
int main(){
int f[50],i,n;
f[0]=1,f[1]=2;
for(i=2;i<50;i++)
f[i]=f[i-1]+f[i-2];
while(scanf("%d",&n)!=EOF){
for(i=0;i<50;i++)
if(n==f[i])
break;
else if(n>f[i])
continue;
if(i<50)
printf("Lucky Day\n");
else
printf("Bad Day\n");
}
return 0;
}