int ledM = 13;
int ledH = 8;
int ledB = 4;

void setup() {
  // put your setup code here, to run once:
pinMode(ledM, OUTPUT);
pinMode(ledH, OUTPUT);
pinMode(ledB, OUTPUT);

}

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

int i=1;
while (i <= 5) {
  digitalWrite(ledM, HIGH);
  delay(300);
  digitalWrite(ledM, LOW);
  delay (200);
i++;
}

int j = 1;
while (j <= 2) {
  digitalWrite(ledH, HIGH);
  delay(300);
  digitalWrite(ledH, LOW);
  delay(200);
j++;

}

int k = 1;
while (k <= 3) {
  digitalWrite(ledB, HIGH);
  delay(300);
  digitalWrite(ledB, LOW);
  delay(200);
k++;

}

}