//magic number is correct with combination 2-3-1-4-4
int rLED=2;
int gLED=3;
int buttonWire0=8;
int buttonWire1=9;
int buttonWire2=10;
int buttonWire3=11;
int buttonRead0=0;
int buttonRead1=0;
int buttonRead2=0;
int buttonRead3=0;
int count=0;
int magicNumber=3;

void setup() {
  pinMode(buttonWire0, INPUT);
  pinMode(buttonWire1, INPUT);
  pinMode(buttonWire2, INPUT);
  pinMode(buttonWire3, INPUT);
  pinMode(rLED, OUTPUT);
  pinMode(gLED, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  buttonRead0=digitalRead(buttonWire0);
  buttonRead1=digitalRead(buttonWire1);  
  buttonRead2=digitalRead(buttonWire2); 
  buttonRead3=digitalRead(buttonWire3); 

   
  if (buttonRead0==HIGH) {
    count=count-7;
  }
  if (buttonRead1==HIGH) {
    count=count+11;
  }
  if (buttonRead2==HIGH) {
    count=count*8;
  }
  if (buttonRead3==HIGH) {
    count=sqrt(count);
  }
    if (buttonRead0==HIGH && buttonRead1==HIGH) {
    count=0;
  }
  if (count==magicNumber) {
    digitalWrite(rLED, LOW);
    digitalWrite(gLED, HIGH);
  }
  else {
    digitalWrite(rLED, HIGH);
    digitalWrite(gLED, LOW);
  }
  Serial.println(count, DEC);
  delay(200);
  
}