const int led1 = 3;
const int led2 = 9;
const int button1 = 2;
const int button2 = 10;

void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(button1, INPUT);
  pinMode(button2, INPUT);
}

void loop() {
  digitalWrite(led1, digitalRead(button1));
  digitalWrite(led2, digitalRead(button2));
}