int b0 = 4;
int b1 = 5;
int clicksB0 = 0;
int clicksB1 = 0;
int clicksB1B0 = 0;
int lastPressCountB0 = 0;
int lastPressCountB1 = 0;

void setup() {
  pinMode(b0, INPUT);
  digitalWrite(b0, HIGH);

  pinMode(b1, INPUT);
  digitalWrite(b1, HIGH);

  Serial.begin(9600);
}

void loop(){
 if (digitalRead(b1) == LOW && digitalRead(b0) == LOW)
  {
    clicksB1B0++;
    clicksB1--;
    clicksB0--;
    delay(250);
    Serial.print ("Mygtukas B0+B1 = ");
    Serial.println(clicksB1B0, DEC);
  }
  else if (digitalRead(b0) == LOW)
  {
    clicksB0++;
    delay(250);
    Serial.print ("Mygtukas B0 = ");
    Serial.println(clicksB0, DEC);
  }
 else if (digitalRead(b1) == LOW)
  {
    clicksB1++;
    delay(250);
    Serial.print ("Mygtukas B1 = ");
    Serial.println(clicksB1, DEC);
  }
    lastPressCountB0 = clicksB0;
  }