int start=0;
int stop=0;
int led=0;

void setup() 
{
  Serial.begin(9600);
  pinMode(11,INPUT);
  pinMode(12, INPUT);
  pinMode(13, OUTPUT);
}

void loop() 
{
  start = digitalRead(11);
  stop = digitalRead(12);
  if(start == HIGH)
  {
    led=1;
  }
  if(stop == LOW)
  {
    led=0;
  }
  if(led == 1)
  { 
    digitalWrite(13,HIGH);
    delay(5000);
    digitalWrite(10,HIGH);
    delay(1000);
  }
  else
  {
    digitalWrite(13,LOW);
  }
}