int ledk=1;
int ledmh=2; 

void setup() {

  pinMode(ledk, OUTPUT);
  pinMode(ledmh, OUTPUT);
}

void loop(){
  digitalWrite(ledk, HIGH);
  delay(1000);
  digitalWrite(ledk, LOW);
  digitalWrite(ledmh, HIGH);
  delay(1000);
  digitalWrite(ledmh, LOW);


}