import 'dart:io';

void main(){

  // default values
  bool lightsOn = false;
  int thermostat = 20;
  bool securityArmed = false;

  const int minTemp = 15;
  const int maxTemp = 30;

  while(true){

    int choice = int.parse(stdin.readLineSync()!);

    if(choice == 1){
      lightsOn = !lightsOn;
      print("Lights are now ${lightsOn ? "ON" : "OFF"}");
    }

    else if(choice == 2){
      int temp = int.parse(stdin.readLineSync()!);

      if(temp >= minTemp && temp <= maxTemp){
        thermostat = temp;
        print("Thermostat set to $thermostat°C");
      } else {
        print("Invalid temperature");
      }
    }

    else if(choice == 3){
      securityArmed = !securityArmed;
      print("Security System: ${(securityArmed ? "armed" : "disarmed").toUpperCase()}");
    }

    else if(choice == 4){

      String mood = "";

      if(thermostat % 3 == 0 && thermostat % 5 == 0){
        mood = "Perfect Day";
      }
      else if(thermostat % 5 == 0){
        mood = "Warm Day";
      }
      else if(thermostat % 3 == 0){
        mood = "Cool Day";
      }
      else{
        mood = "Normal Day";
      }

      print("Lights: ${lightsOn ? "ON" : "OFF"}");
      print("Thermostat: $thermostat°C - $mood");
      print("Security System: ${(securityArmed ? "armed" : "disarmed").toUpperCase()}");
    }

    else if(choice == 5){
      break;
    }
  }
}