int ledhijau= 3;
int ledmerah= 4;
int ledbiru= 5;
int button1= 6;
int button2= 7;
int button3= 8;
void setup() {
  // put your setup code here, to run once:
pinMode(ledhijau,OUTPUT);
pinMode(ledmerah,OUTPUT);
pinMode(ledbiru,OUTPUT);
pinMode(button1,INPUT);
pinMode(button2,INPUT);
pinMode(button3,INPUT);
}

void loop() {
  // put your main codep here, to run repeatedly:
int buttonstate1= digitalRead(button1);
if (buttonstate1==HIGH){
  digitalWrite(ledhijau,LOW);
}else{
digitalWrite(ledhijau,HIGH);
}
int buttonstate2= digitalRead(button2);
if (buttonstate2==HIGH)
{digitalWrite(ledmerah,LOW);
}else{
  digitalWrite(ledmerah,HIGH);
}
int buttonstate3= digitalRead(button3);
if (buttonstate3==HIGH)
{digitalWrite(ledbiru,LOW);
}else{
  digitalWrite(ledbiru,HIGH);
}
}