#include<stdio.h>
int main()
{
  int c;
  while ((c=getchar()) != EOF)
  {
    switch (c) {
      case '\n': printf("<BR>\n"); break;
      case '&' : printf("&amp;"); break;
      case '\t': printf("&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"); break; 
      default  : putchar(c); }
  }
  return 0;
}