#define ledm 6
#define ledk 4
#define ledh 2
void setup() {
pinMode (ledm, OUTPUT);
pinMode (ledk, OUTPUT);
pinMode (ledh, OUTPUT);
}
void loop() {
  digitalWrite(ledm, HIGH);
  digitalWrite(ledk, LOW);
  digitalWrite(ledh, LOW);
  delay(1500);
  digitalWrite(ledm, LOW);
  digitalWrite(ledk, HIGH);
  digitalWrite(ledh, LOW);
  delay(500);
  digitalWrite(ledm, LOW);
  digitalWrite(ledk, LOW);
  digitalWrite(ledh, HIGH);
  delay(1500);
}