int led1 = 2;
int led2 = 3;
int led3 = 4;
int led4 = 5;
int led5 = 6;
int led6 = 7;
int button1 = 8;
int button2 = 9;

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

void loop() {
  int data1 = digitalRead(button1);
  if (data1 == HIGH){
    digitalWrite(led1, HIGH);
    digitalWrite(led3, HIGH);
    digitalWrite(led5, HIGH);
  }
  else{
    digitalWrite(led1, LOW);
    digitalWrite(led3, LOW);
    digitalWrite(led5, LOW);
  }

  int data2 = digitalRead(button2);
  if (data2 == HIGH){
    digitalWrite(led2, HIGH);
    digitalWrite(led4, HIGH);  
    digitalWrite(led6, HIGH);    
  }
  else{
    digitalWrite(led2, LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led6, LOW);
  }
}