#define SW1 14
#define SW2 27
#define LED1 21
#define LED2 17

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(SW1, INPUT_PULLUP);
  pinMode(SW2, INPUT_PULLUP);
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
}
void loop() {
  int lect1 = digitalRead(SW1);
  int lect2 = digitalRead(SW2);
  if(lect1==LOW && lect2==LOW){
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
  }
  if(lect1==LOW && lect2==HIGH){
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, HIGH);
  }
  if(lect1==HIGH && lect2==LOW){
    digitalWrite(LED1, HIGH);
    digitalWrite(LED2, LOW);
  }
  if(lect1==HIGH && lect2==HIGH){
    digitalWrite(LED1, HIGH);
    digitalWrite(LED2, HIGH);
    delay(500);
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
    delay(500);
  }
}