int trig = 25;
int echo = 26;
long dura;
long dist;

int trig2 = 4,but;
int echo2 = 2;
long dura2,comp2;
long dist2,comp1;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(trig2, OUTPUT);
  pinMode(echo2, INPUT);
  pinMode(14, OUTPUT);
  pinMode(15, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(5, OUTPUT);
}
long distfun(){
  digitalWrite(trig, LOW);
  delay(500);
  digitalWrite(trig, HIGH);
  delay(500);
  digitalWrite(trig, LOW);
  dura = pulseIn(echo,HIGH);
  return(0.034 * dura / 2)+1;

}
long distfunc(){
  digitalWrite(trig2, LOW);
  delay(500);
  digitalWrite(trig2, HIGH);
  delay(500);
  digitalWrite(trig2, LOW);
  dura2 = pulseIn(echo2,HIGH);
  return(0.034 * dura2 / 2)+1;

}

void loop() {
    but=digitalRead(15);
    comp2=distfun();
    if(but==1)
      {
        digitalWrite(12, HIGH);
        delay(1000);
        comp1 = distfun();
      }
    else{
          digitalWrite(12,LOW);
    }
    
    
    if(comp1 > comp2)
      {
        digitalWrite(5, HIGH);
        
        
      }
    else{
        digitalWrite(5, LOW);
    }
    
    
    
      


}