int ledm = 13;
int ledh = 12;
int ledb = 11;
int pb1 = 7;
int pb2 = 6;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
pinMode(13, OUTPUT);
pinMode(12, OUTPUT);
pinMode(11, OUTPUT);
pinMode(7, INPUT);
pinMode(6, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
if (digitalRead(7) == LOW) {
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  delay(2000);
  digitalWrite(13, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(11, LOW);
  delay(2000);
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, HIGH);
  delay(2000);
  if (digitalRead(6) == LOW) {
  digitalWrite(13, LOW );
  digitalWrite(12, LOW);
  digitalWrite(11, HIGH);
  delay(2000);
  digitalWrite(13, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(11, LOW);
  delay(2000);
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  delay(2000);
  

}
}
}