Distress Beacon v. 6.02

int exLedPin = 8 & 13;
// 8 = white 13 = red
int runNumber = 0;
int start = 1; 


void setup() {
  pinMode(exLedPin, OUTPUT);
    Serial.begin(9600);
}

void loop() {
  //Spells "S" in morse code
  
  digitalWrite(exLedPin, HIGH);
  delay(500);
  digitalWrite(exLedPin, LOW);
  delay(500);
  digitalWrite(exLedPin, HIGH);
  delay(500);
  digitalWrite(exLedPin, LOW);
  delay(500);
  digitalWrite(exLedPin, HIGH);
  delay(500);
  digitalWrite(exLedPin, LOW);
  Serial.print("S.");
  delay(1500);
  
  //Spells "O" in morse code
  digitalWrite(exLedPin, HIGH);
  delay(1250);
  digitalWrite(exLedPin, LOW);
  delay(500);
  digitalWrite(exLedPin, HIGH);
  delay(1250);
  digitalWrite(exLedPin, LOW);
  delay(500);
  digitalWrite(exLedPin, HIGH);
  delay(1250);
  digitalWrite(exLedPin, LOW);
  Serial.print ("O.");
  delay(1500);
  
  //Spells "S" in morse code
  
  digitalWrite(exLedPin, HIGH);
  delay(500);
  digitalWrite(exLedPin, LOW);
  delay(500);
  digitalWrite(exLedPin, HIGH);
  delay(500);
  digitalWrite(exLedPin, LOW);
  delay(500);
  digitalWrite(exLedPin, HIGH);
  delay(500);
  digitalWrite(exLedPin, LOW);
  Serial.println("S.");
  delay(2500);
  runNumber = runNumber + start;
  Serial.print("RUN,");
   Serial.println(runNumber);
    
}