int led135 = 2;
int led246 = 3;
int button1 = 7;
int button2 = 8;

void setup() {
  pinMode(led135, OUTPUT);
  pinMode(led246, OUTPUT);
  pinMode(button1, INPUT);
  pinMode(button2, INPUT);
}

void loop() {
  int data1 = digitalRead(button1);
  if (data1 == HIGH){
    digitalWrite(led135, HIGH);
  }
  else{
    digitalWrite(led135, LOW);
  }

  int data2 = digitalRead(button2);
  if (data2 == HIGH){
    digitalWrite(led246, HIGH);  
  }
  else{
    digitalWrite(led246, LOW);
  }
}