const int switchA = 2; 
const int switchB = 4;
const int led = 5;   

void setup() {
  pinMode(switchA, INPUT_PULLUP);
  pinMode(switchB, INPUT_PULLUP);
  pinMode(led, OUTPUT);
  digitalWrite(led, LOW);
}

void loop() {
  int sA_State = digitalRead(switchA);
  int sB_State = digitalRead(switchB);

  
  if (sA_State == LOW && sB_State == HIGH) {
    digitalWrite(led, HIGH);
    delay(1000);
    digitalWrite(led, LOW);
    delay(1000);
  } else if(sA_State == LOW && sB_State == LOW){
    digitalWrite(led, HIGH);
    delay(2000);
    digitalWrite(led, LOW);
    delay(1000);
  }else{
    digitalWrite(led, LOW);
  }

  delay(50);
}