OLED disp(SDA, SCL, 8);
extern uint8_t SmallFont[];

const int bp0 = 7; //A
const int bp1 = 6; //Б
const int x = 0;
const int y = 0;
int bs0 = LOW;
int bs1 = LOW;

void setup() {
  disp.begin();
  disp.setFont(SmallFont);
  pinMode(bp0, INPUT_PULLUP);
  pinMode(bp1, INPUT_PULLUP);
}

void loop() {
   bs0 = digitalRead(bp0);
   bs1 = digitalRead(bp1);
   Serial.println(bs0);
   Serial.println(bs1);
   if (question==0) {
     question = 1 + (rand() % static_cast<int>(5 - 1 + 1));
     disp.clrScr();
     disp.print(String(question),x,y);
     disp.update();
   }
   if (bs0==HIGH) {
     checkAnsver("A");
   } else if (bs1==HIGH) {
     checkAnsver("B");
   }
}

void checkAnsver(String buttonLabel) {
  String ansver = getAnsver();
  if (ansver.equals(buttonLabel)) {
    disp.print("No!",x,y);
  } else {
    disp.print("Yes!",x,y);
  }
  question = 0;
}

String getAnsver() {
  if (question==1) {
    return "A";
  } else if (question==2) {
    return "B";
  } else if (question==3) {
    return "A";
  } else if (question==4) {
    return "B";
  } else if (question==5) {
    return "A";
  }
}