Pasted

void setup() {
  // put your setup code here, to run once:
  for (int i = 2; i <= 10; i++) {
    pinMode(i, OUTPUT);
  }
  pinMode(11, INPUT);
}
 
void loop() {
  // put your main code here, to run repeatedly:
  if (digitalRead(11)) {
    digitalWrite(11, HIGH);
    for (int j = 2; j < 10; j++) {
      digitalWrite(j, HIGH);
      delay(3000);
    }
    delay(5000);
    for (int j = 2; j < 10; j++) {
      digitalWrite(j, LOW);
    }
  }
}