/* Towers of Hanoi */
#include <stdio.h>

main() {
  int z,y,n;

  scanf("%d",&n);
  for(y=1; (1<<n)-y; y<<=z-1,
                     printf("disk %i from %i to %i.\n",z,(y&y-1)%3,((y|y-1)+1)%3), 
                     y++)
   for(z=1; !(y&1); z++,
                    y>>=1);
}