int led1 = 11;
int led2 = 12;
int led3 = 13;
int pb1 = 10;
int pb2 = 9;

void setup() {
  // put your setup code here, to run once:
 pinMode(led1, OUTPUT);
 pinMode(led2, OUTPUT);
 pinMode(led3, OUTPUT);
 pinMode(pb1, INPUT);
 pinMode(pb2, INPUT);

 Serial.begin(9600);
}

void loop() {

int statusButton1 = digitalRead(pb1);

if (statusButton1 == HIGH){
  digitalWrite(led1, HIGH);
  delay(500);
  digitalWrite(led1, LOW);
  digitalWrite(led2, HIGH);
  delay(500);
  digitalWrite(led2, LOW);
  digitalWrite(led3, HIGH);
  delay(500);
  digitalWrite(led3, LOW);
} else {
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led3, LOW);
}

int statusButton2 = digitalRead(pb2);

if (statusButton2 == HIGH){
  digitalWrite(led3, HIGH);
  delay(500);
  digitalWrite(led3, LOW);
  digitalWrite(led2, HIGH);
  delay(500);
  digitalWrite(led2, LOW);
  digitalWrite(led1, HIGH);
  delay(500);
  digitalWrite(led1, LOW);
} else {
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led3, LOW);
}





delay(300);
}