#include <stdio.h>
int main() {
  int n, i;
  int a[25];
  a[0] = 2;
  a[1] = 3;
  for(i = 2;i < 25;i ++) {
  	a[i] = a[i - 1] + a[i - 2];
  }
  while(~scanf("%d", &n)) {
  	int ret = 1;
  	for(i = 0;i < 25;i ++){
  	  if(n == a[i]) {
  	    ret = 0;
		break;	
	  }	
	}
	if(ret) {
	  printf("Bad Day\n");
	}else {
	  printf("Lucky Day\n");
	}
  }
  return 0;
}