int a = 3;
int b = 5;
int c = 8;
int d = 7;
int e = 6;
int f = 4;
int g = 9;

int pirmas = 2;
int antras = 10;
int trecias = 11;
int ketvirtas = 12;


void setup() {

pinMode(3,OUTPUT);
pinMode(5,OUTPUT);
pinMode(8,OUTPUT);
pinMode(7,OUTPUT);
pinMode(6,OUTPUT);
pinMode(4,OUTPUT);
pinMode(9,OUTPUT);

pinMode(2,OUTPUT);
pinMode(10,OUTPUT);
pinMode(11,OUTPUT);
pinMode(12,OUTPUT);


}

void loop() {
digitalWrite(pirmas, LOW);
delay(400);
digitalWrite(pirmas,HIGH);
digitalWrite(antras,LOW);
delay(400);
digitalWrite(antras,HIGH);
digitalWrite(trecias,LOW);
delay(400);
digitalWrite(trecias,HIGH);
digitalWrite(ketvirtas,LOW);
delay(400);
digitalWrite(ketvirtas,HIGH);
digitalWrite(f,HIGH);
digitalWrite(g,HIGH);
digitalWrite(b,HIGH);
digitalWrite(c,HIGH);



}