long randNumber;

void setup() {
   Serial.begin(9600); 

  // prints title with ending line break 
  pinMode(8, OUTPUT); 
  pinMode(11, OUTPUT); 
  pinMode(14,INPUT);
  digitalWrite(14, HIGH); 
}

void loop() {

if (digitalRead(14)==0)
{
    randNumber = random(255);
    Serial.println(randNumber); 

    for (int i=0; i <= 18; i++){
      digitalWrite(8, HIGH); 
      digitalWrite(11, LOW);   
      delay(50);    
      digitalWrite(8, LOW);  
      digitalWrite(11, HIGH);  
      delay(50); 
    }   
    for (int i=0; i <= 8; i++){
      digitalWrite(8, HIGH); 
      digitalWrite(11, LOW);   
      delay(100);    
      digitalWrite(8, LOW);  
      digitalWrite(11, HIGH);  
      delay(100); 
    }  
     for (int i=0; i <= 3; i++){
      digitalWrite(8, HIGH); 
      digitalWrite(11, LOW);   
      delay(150);    
      digitalWrite(8, LOW);  
      digitalWrite(11, HIGH);  
      delay(150); 
    }    
     for (int i=0; i <= 2; i++){
      digitalWrite(8, HIGH); 
      digitalWrite(11, LOW);   
      delay(200);    
      digitalWrite(8, LOW);  
      digitalWrite(11, HIGH);  
      delay(200); 
    }    
    for (int i=0; i <= 1; i++){
      digitalWrite(8, HIGH); 
      digitalWrite(11, LOW);   
      delay(250);    
      digitalWrite(8, LOW);  
      digitalWrite(11, HIGH);  
      delay(250); 
    }    
      
      if ((randNumber%2)==0)
    {
      digitalWrite(8, HIGH); 
      digitalWrite(11, LOW);   
    }  
    else 
    {          
      digitalWrite(8, LOW);  
      digitalWrite(11, HIGH);       
    }     
    delay(10000);
}
else 
{
  digitalWrite(8, HIGH); 
  digitalWrite(11, HIGH); 
} 
}