int h = 8;
int k = 9;
int m = 10;
void setup() {
  // put your setup code here, to run once:
pinMode(h, OUTPUT);
pinMode(k, OUTPUT);
pinMode(m, OUTPUT);
}
void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(m, HIGH);
digitalWrite(k, LOW);
digitalWrite(h, LOW);
delay(5000);
digitalWrite(m, LOW);
digitalWrite(k, HIGH);
digitalWrite(h, LOW);
delay(2000);
digitalWrite(m, LOW);
digitalWrite(k, LOW);
digitalWrite(h, HIGH);
delay(5000);
}