#include "hardware_dependent.h"

void setup() {
  // put your setup code here, to run once:
  init_port();

}

void loop() {
  // put your main code here, to run repeatedly:
  volatile int x;
  volatile int y;
  volatile long i;
  volatile long j;
  x=input();
  if((x&0x08)==0x08)
  {
  
    while(1)
    {
       y=0b00000001;
      for (j=0;j<8;j++)
      {
       output(y);
       for (i=0;i<600000;i++);
       y=y<<1;
      }
    }
  }
}