void setup() 
{
volatile char*dirf,*dirk,x;
volatile char *outf,*ink;
dirf=0x30;dirk=0x107;
outf=0x31;ink=0x106;
*dirf=0x01;*dirk=0x00;
while(1)
{
  x=*ink;
  if((x&0x01)==0x01)
  *outf=0x01;
  else
    *outf=0x00;
}
}

void loop() {
  // put your main code here, to run repeatedly:

}