#include <stdio.h>

int main(void)
{
  unsigned long n;

  scanf("%lu", &n);
  while (n) {
    if (n<5) printf("Kralovny se nevejdou.\n");
    else {
		      
		    printf("Kralovny lze umistit.\n");
    }	    
    scanf("%lu", &n);
  }
  return(0);
}