#include <stdio.h>
#include <stdlib.h>

int main() {
   char s[1000];
   int a;
   srand(17747);
while (1) {
   scanf (" %d %d %d %d ",&a,&a,&a,&a);
   if (a==0) break;
   for (a=0;a<32;a++) gets(s);
   if (rand()%2) printf("You can win in one move.\n"); else printf("Bad luck!\n");
}return 0;
}