int led1 = 13;
int led2 = 12;
int tombol = 6;

void setup() 
{
pinMode(led1,OUTPUT);
pinMode(led2,OUTPUT);
pinMode(tombol,INPUT);

}

void loop() {
if(digitalRead(tombol)==HIGH) {
digitalWrite(led1, HIGH);
digitalWrite(led2, LOW);
} else 
{
digitalWrite(led1, LOW);
digitalWrite(led2, HIGH);
}
}