int aaa=4;  //d4
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
 pinMode(14, OUTPUT);
 pinMode(aaa, INPUT);

}

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