int led1=13;
int led2=12;
int led3=11;
int led4=10;
int led5=9;
int led6=8;
int button1=0;
int button2=1;

void setup() {
 pinMode(led1,INPUT);
 pinMode(led2,OUTPUT);
 pinMode(led3,INPUT);
 pinMode(led4,OUTPUT);
 pinMode(led5,INPUT);
 pinMode(led6,OUTPUT);
 pinMode(button1,INPUT);
 pinMode(button2,OUTPUT);


}
void loop(){
  button2=digitalRead(button1)
  if (button1==HIGH) {

  digitalWrite(led1, HIGH);
  digitalWrite(led2,LOW);
  digitalWrite(led3, HIGH);
  delay(100);
  }
  else
  {
  digitalWrite(led1, LOW);
  digitalWrite(led2, HIGH);
  digitalWrite(led3, LOW);
  delay(100);
  }
  else
  {
  digitalWrite(led4, HIGH);
  digitalWrite(led5,LOW);
  digitalWrite(led6, HIGH);
  delay(100);
  digitalWrite(led4, LOW);
  digitalWrite(led5, LOW);
  digitalWrite(led6, LOW);
}
}