int buttonstate=0;

void setup() {
  // put your setup code here, to run once:
  pinMode(14, OUTPUT); //LED PIN
  pinMode(12, INPUT);  //BUTTON PIN
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  buttonstate=digitalRead(12);
  if(buttonstate==1)
  {
    digitalWrite(14, HIGH);
    delay(2000);
  }
  if(buttonstate==0)
  {
    digitalWrite(14, LOW);
    delay(2000);
  }
}