#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

String LCD; 

int B = 9;
int grun = 6;
int rot = 7;
int Brot = 10;
int Bgrun = 8;
float geld;
int State;
int LState;
int rando;
int auswahl;

void setup() {
  Serial.begin(9600);
  randomSeed(analogRead(0));
  lcd.begin(16, 2);
  pinMode(B, INPUT);
  geld = 0;
  lcd.print("Aktuelles Geld: ");
}

void loop() {
  State = digitalRead(B);

  if (Brot)
  {
    auswahl = 1;
  }
  if (Bgrun)
  {
    auswahl = 2;
  }

  if (State == 1 && LState == 0)
  {
     rando = random(1, 3);
     lcd.setCursor(0, 1);
     lcd.print(rando);
  }
  if (rando == 1 && auswahl == 1)
  {
    digitalWrite(rot, HIGH);
    geld *= 2;
    delay(1000);
    rando = 0;
  }
  else if (rando == 1 && auswahl == 2)
  {
    digitalWrite(rot, HIGH);
    geld /= 2;
    delay(1000);
    rando = 0;
  }
  else 
  {
    digitalWrite(rot, LOW);
  }



  if (rando == 2 && auswahl == 2)
  {
    digitalWrite(grun, HIGH);
    geld *= 2;
    delay(1000);
    rando = 0;
  }
  else if (rando == 2 && auswahl == 1)
  {
    digitalWrite(grun, LOW);
    geld /= 2;
    delay(1000);
    rando = 0;
  }
  else{
    digitalWrite(grun, LOW);
  }



  LState = State;

}