int ledM = 10;
int ledK = 9;
int ledH = 8;

void setup() {
  pinMode(ledM, OUTPUT);
  pinMode(ledK, OUTPUT);
  pinMode(ledH, OUTPUT);
}

void loop() {
  digitalWrite(ledM, HIGH);
  delay(6000);
  digitalWrite(ledM, LOW);
  delay(100);
  digitalWrite(ledK, HIGH);
  delay(1000);
  digitalWrite(ledK, LOW);
  delay(100);
  digitalWrite(ledH, HIGH);
  delay(6000);
  digitalWrite(ledH, LOW);
  delay(100);
}