#define green 13
#define red 12
#define Buzzer 1
#define PIR 0
void setup() {
  pinMode(green, OUTPUT);
  pinMode(red, OUTPUT);
  pinMode(Buzzer, OUTPUT);
  pinMode(PIR, INPUT);
  Serial.begin(9600);
}

void loop() {
  int PIRVAL =digitalRead(PIR);
  Serial.println(PIRVAL);
  
if (PIRVAL == 0){
  digitalWrite(green, HIGH);
  digitalWrite(red, LOW);
  digitalWrite(Buzzer, LOW);
}
if (PIRVAL == 1){
  digitalWrite(red, HIGH);
  digitalWrite(green, LOW);
}
}