int sensorA = 4;
int sensorB = 5;

void setup(){

  pinMode(sensorA, INPUT_PULLUP);
  pinMode(sensorB, INPUT_PULLUP);

  Serial.begin(115200);

}

void loop(){

  if(digitalRead(sensorA) == LOW){
    Serial.println("Sensor A ativado");
    delay(1000);
    if (digitalRead(sensorB) == LOW){
      Serial.println("ENTROU");
    }
   Serial.print(digitalRead(sensorA));
    delay(100);
  }

Serial.print(digitalRead(sensorB));

  if(digitalRead(sensorB) == LOW){
    Serial.println("Sensor B ativado");
    delay(1000);
    if (digitalRead(sensorA) == LOW){
      Serial.println("SAIU");
    }
  }
  
delay(1000);
}