#include <stdio.h>
#include <stdlib.h>
int main(){
while(1){{int j=4; while(j--) 
{char c = getc(stdin); if (c == EOF && feof(stdin)) exit(0); putchar(c);}}
{int len = 0; int j=4; while(j--) len = (len<<8) | getc(stdin);
  printf(" Skipping %d characters\n", len);
  while (len--) getc(stdin);}}}