void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(14, OUTPUT);
  pinMode(27, INPUT);
  pinMode(5, OUTPUT);
  pinMode(18, OUTPUT);
}

void loop() {
 digitalWrite(14,1);
 delay(100);
 digitalWrite(14,0);
 float duration =pulseIn(27,1);
 int d =duration*0.034/2;
 Serial.println(d);
 if(d<=200)
 {
  digitalWrite(5,HIGH);
 } 
 else
 {
  digitalWrite(5,0);
 }
 if(d>=200)
 {
  digitalWrite(18,HIGH);
 } 
 else
 {
  digitalWrite(18,0);
 }
}