const int button1 = 3;
const int button2 = 5;
const int button3 = 7;// the number of the pushbutton pin
const int led1 = 2;
const int led2 = 4;// the number of the LED pin
const int led3 = 6;
const int led4 = 8;
const int led5 = 10;
const int led6 = 12;
int button1State = 0;
int button2State = 0;
int button3State = 0;
void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
  pinMode(led6, OUTPUT);
  // initialize the pushbutton pin as an input:
  pinMode(button1, INPUT);
  pinMode(button2, INPUT);
  pinMode(button3, INPUT);
}
void loop() {
  button1State = digitalRead(button1);
  button2State = digitalRead(button2);
  button3State = digitalRead(button3);
  // check if the pushbutton is pressed. If it is, the buttonState is HIGH:
  if (button1State == HIGH & button2State == LOW & button3State == LOW) {
    // turn LED on:
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
  } else {
    // turn LED off:
    digitalWrite(led2, LOW);
  }
  if (button2State == HIGH & button1State == LOW & button3State == LOW) {
    // turn LED on:
    digitalWrite(led1, HIGH);
    digitalWrite(led5, HIGH);
    digitalWrite(led6, HIGH);
  } else {
    // turn LED off:
    digitalWrite(led1, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6, LOW);
  }
  if (button1State == HIGH & button2State == HIGH & button3State == LOW) {
    // turn LED on:
    digitalWrite(led3, HIGH);
    digitalWrite(led4, HIGH);
  } else {
    // turn LED off:
    digitalWrite(led3, LOW);
    digitalWrite(led4, LOW);
  }
}