int LED1 = 18;
int LED2 = 17;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, VISHAL!");
  pinMode(27,INPUT);
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
}

void loop() {
  int reading = digitalRead(27);
Serial.println(reading);
if(reading==1)
{
  digitalWrite(LED1, HIGH);
  digitalWrite(LED2, LOW);
}
else{
  digitalWrite(LED2, HIGH);
  digitalWrite(LED1, LOW);
}
  delay(10); 
}