#include <stdio.h>

int main(void) {
  unsigned long n;
  do {
    scanf("%ld\n", &n);
    if ( n==0 ) break;
    if ( n==2 || n==3 ) printf("Kralovny se nevejdou.\n");
    else printf("Kralovny lze umistit.\n");
  } while (1);
  return 0;
}