#define BUTTON_PB8 PB8
#define BUTTON_PB9 PB9
#define BUTTON_PB3 PB3
#define BUTTON_PB4 PB4
#define BUTTON_PB5 PB5
#define BUTTON_PB10 PB10

void setup() {
  pinMode(BUTTON_PB8,INPUT_PULLUP);
  pinMode(BUTTON_PB9,INPUT_PULLUP);
  pinMode(BUTTON_PB3,OUTPUT);
  pinMode(BUTTON_PB4,OUTPUT);
  pinMode(BUTTON_PB5,OUTPUT);
  pinMode(BUTTON_PB10,OUTPUT);
}

void loop() {
  do{
    bool b1 = !digitalRead(BUTTON_PB9);
    bool b2 = !digitalRead(BUTTON_PB8);
  if(!b1 && !b2){
    digitalWrite(BUTTON_PB3,1);
    digitalWrite(BUTTON_PB4,0);
    digitalWrite(BUTTON_PB5,1);
    digitalWrite(BUTTON_PB10,0);}
  else if (b1 && !b2){
    digitalWrite(BUTTON_PB3,0);
    digitalWrite(BUTTON_PB4,0);
    digitalWrite(BUTTON_PB5,0);
    digitalWrite(BUTTON_PB10,0);}
  else if (!b1 && b2){
    digitalWrite(BUTTON_PB3,0);
    digitalWrite(BUTTON_PB4,0);
    digitalWrite(BUTTON_PB5,1);
    digitalWrite(BUTTON_PB10,1);}
  else{
    digitalWrite(BUTTON_PB3,0);
    digitalWrite(BUTTON_PB4,0);
    digitalWrite(BUTTON_PB5,1);
    digitalWrite(BUTTON_PB10,0);}
    delay(10);
    }
    
  while(true);}