int contrast=100;
int ir_sensor1=11;
int ir_sensor2=12;
int led=10;
int count=0;
void setup(){
  pinMode(ir_sensor1, INPUT);
  pinMode(ir_sensor1, INPUT);
  pinMode(led, OUTPUT);
  Serial.begin(9600);
}
void loop(){
  if(digitalRead(ir_sensor1)==HIGH)
  {
    count++;
    Serial.print("no.of people enntering into room :");
     Serial.println(count);
    delay(1000);

  }
  else if(digitalRead(ir_sensor2)==HIGH){
    count--;
     Serial.print("no.of people leaving  room :");
     Serial.println(count);
     delay(1000);

  }
  Serial.print("the no.of members inside room is :");
  if(count>=6){
    digitalWrite(led,HIGH);

  }
  else{
    digitalWrite(led,LOW);
  }
  
}