int pushbutton1 = 11;
int pushbutton2 = 12;
int pushbutton3 = 13;
int ledmerah = 8;
int ledkuning = 9;
int ledhijau = 10;
void setup() {
  pinMode(11, INPUT);
  pinMode(12, INPUT);
  pinMode(13, INPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);

}

void loop() {
    if (digitalRead(pushbutton1) == HIGH) {
    digitalWrite(ledmerah, HIGH);
  }
  else {
    digitalWrite(ledmerah, LOW);
  }
   if (digitalRead(pushbutton2) == HIGH) {
    digitalWrite(ledkuning, HIGH);
  }
  else {
    digitalWrite(ledkuning, LOW);
  }
   if (digitalRead(pushbutton3) == HIGH) {
    digitalWrite(ledhijau, HIGH);
  }
  else {
    digitalWrite(ledhijau, LOW);
  }
}