int trigger=13; 
int echo=12;
float distance;

void setup() {
Serial.begin(115200);
pinMode(trigger, OUTPUT);
pinMode(echo, INPUT);
pinMode(14, OUTPUT);
pinMode(5, OUTPUT);
pinMode(17, OUTPUT);

}

 int ultraperformance(){ 
 digitalWrite(trigger, LOW);
 delay(10);
 digitalWrite(trigger, HIGH);
 delay(100);
 digitalWrite(trigger, LOW); 
 distance=pulseIn(echo, HIGH);
 return(distance*0.034/2);
 }
 void loop() {
   Serial.println( ultraperformance());
   if(ultraperformance()>0 && ultraperformance()<100){
    digitalWrite(14, HIGH);
    }
    else if(ultraperformance()>100 && ultraperformance()<200)
    {
      digitalWrite(5, HIGH);
       digitalWrite(17, LOW);
         digitalWrite(14, LOW);
    }

    else if(ultraperformance()>200 && ultraperformance()<400)
    {
      digitalWrite(14, HIGH);
       digitalWrite(17,LOW);
        digitalWrite(5, LOW);
  
    }

    else{
      digitalWrite(14, LOW);
       digitalWrite(5, LOW);
     digitalWrite(17, LOW);
  }
  }