void setup(){
	DDRB |= 0b00111000;
}

uint8_t pole[3] = {PB5,PB4,PB3};

void loop(){
  for(int i = 0;i<3;i++){
  	PORTB |= 1<<pole[i];
  	delay(500);
  	PORTB &= ~(1<<pole[i]);
  	delay(500);
  }
    PORTB |= 1<<pole[1];
  	delay(500);
  	PORTB &= ~(1<<pole[1]);
  	delay(500);
}