int button=2;
int ledPinM=10;
int ledPinK=11;
int ledPinH=12;
int buttonState=0;


void setup() {
  // put your setup code here, to run once:
pinMode(button, INPUT);
pinMode(ledPinM, OUTPUT);
pinMode(ledPinK, OUTPUT);
pinMode(ledPinH, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
button = digitalRead(2);
if (button==HIGH) {
  digitalWrite(ledPinM, HIGH);
  digitalWrite(ledPinK, LOW);
digitalWrite(ledPinH, LOW);
delay(500);
digitalWrite(ledPinM, LOW);
digitalWrite(ledPinK, HIGH);
digitalWrite(ledPinH, LOW);
delay(500);
digitalWrite(ledPinM, LOW);
digitalWrite(ledPinK, LOW);
digitalWrite(ledPinH, HIGH);
delay(500);
}
else
{
  digitalWrite(ledPinM, LOW);
  digitalWrite(ledPinK, LOW);
  digitalWrite(ledPinH, HIGH);
  delay(500);
  digitalWrite(ledPinM, LOW);
  digitalWrite(ledPinK, HIGH);
digitalWrite(ledPinH, LOW);
delay(500);
digitalWrite(ledPinM, HIGH);
digitalWrite(ledPinK, LOW);
digitalWrite(ledPinH, LOW);
delay(500);
}
}