int ledA = 8;
int ledB = 7;
int ledC = 6;
int ledD = 5;
int ledE = 4;
int ledF = 3;
int ledG = 2;
int ledH = 1;
int btnA = 9;
int btnB = 10;
int bcBtnA = 0;
int bcBtnB = 11;

void setup() {
  // put your setup code here, to run once:
  pinMode(ledA, OUTPUT);
  pinMode(ledB, OUTPUT);
  pinMode(ledC, OUTPUT);
  pinMode(ledD, OUTPUT);
  pinMode(ledE, OUTPUT);
  pinMode(ledF, OUTPUT);
  pinMode(ledG, OUTPUT);
  pinMode(ledH, OUTPUT);
  pinMode(btnA, INPUT);
  pinMode(btnB, INPUT);

  digitalWrite(ledA, HIGH);
  digitalWrite(ledB, HIGH);
  digitalWrite(ledC, HIGH);
  digitalWrite(ledD, HIGH);
  digitalWrite(ledE, HIGH);
  digitalWrite(ledF, HIGH);
  digitalWrite(ledG, HIGH);
  digitalWrite(ledH, HIGH);

}

void loop() {
  // put your main code here, to run repeatedly:

  bcBtnA = digitalRead(btnA);
  bcBtnB = digitalRead(btnB);

  if (bcBtnA == HIGH) {
    //Mode 15
    digitalWrite(ledA, LOW);
    delay(300);
    digitalWrite(ledA, HIGH);

    digitalWrite(ledH, LOW);
    delay(300);
    digitalWrite(ledH, HIGH);

    digitalWrite(ledB, LOW);
    delay(300);
    digitalWrite(ledB, HIGH);

    digitalWrite(ledG, LOW);
    delay(300);
    digitalWrite(ledG, HIGH);

    digitalWrite(ledC, LOW);
    delay(300);
    digitalWrite(ledC, HIGH);

    digitalWrite(ledF, LOW);
    delay(300);
    digitalWrite(ledF, HIGH);

    digitalWrite(ledD, LOW);
    delay(300);
    digitalWrite(ledD, HIGH);
    
    digitalWrite(ledE, LOW);
    delay(300);
    digitalWrite(ledE, HIGH);
  }

  else if (bcBtnB == HIGH) {
    //Mode 17
    digitalWrite(ledA, LOW);
    digitalWrite(ledB, LOW);
    delay(300);
    digitalWrite(ledA, HIGH);
    digitalWrite(ledB, HIGH);
    delay(300);

    digitalWrite(ledC, LOW);
    digitalWrite(ledD, LOW);
    delay(300);
    digitalWrite(ledC, HIGH);
    digitalWrite(ledD, HIGH);
    delay(300);

    digitalWrite(ledE, LOW);
    digitalWrite(ledF, LOW);
    delay(300);
    digitalWrite(ledE, HIGH);
    digitalWrite(ledF, HIGH);
    delay(300);

    digitalWrite(ledG, LOW);
    digitalWrite(ledH, LOW);
    delay(300);
    digitalWrite(ledG, HIGH);
    digitalWrite(ledH, HIGH);
    delay(300);
  }
}