volatile unsigned char *output_f;
volatile unsigned char *input_k;
void setup() {
  volatile char*init_port_f,*init_port_k;
  init_port_f=0X30;
  init_port_k=0x107;
  output_f=0x31;
  input_k=0x106;
  *init_port_f=0x01;
  *init_port_k=0x00;

}

void loop() {
  char x=*input_k;
  if((x & 0x01)==0x01)
  {
    *output_f=0x01;
  }
  else
  {
    *output_f=0x00;

  }
  
}