#define PERIOD 1000

void setup()
{
  pinMode (D12, OUTPUT);
  pinMode (D11, OUTPUT);
  pinMode (D13, INPUT);
}

void emergency()
{
  digitalWrite (12, 1);
  digitalWrite (11, 1);
  delay(PERIOD);
  digitalWrite (12, 0);
  digitalWrite (11, 0);
  delay(PERIOD);
}

void highwhile(bool cond, int pin, int time);

bool emergenc;

void loop()
{
  emergency();


}