#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");}
}