int SWITCH1= 16;
int SWITCH2=4;
int RED_LED1= 19;
int BLUE_LED1= 18;
int RED_LED2= 5;
int BLUE_LED2= 17;

void setup() {

  pinMode(SWITCH1, INPUT);
  pinMode(SWITCH2, INPUT);
  pinMode(RED_LED1, OUTPUT);
  pinMode(BLUE_LED1, OUTPUT);
  pinMode(RED_LED2, OUTPUT);
  pinMode(BLUE_LED2, OUTPUT);
}

void loop() {
  int switch1 = digitalRead(SWITCH1);
  int switch2 = digitalRead(SWITCH2);
  if (switch1 == HIGH){
    digitalWrite(RED_LED1, HIGH);
    digitalWrite(BLUE_LED1, HIGH);
  } else {
    digitalWrite(RED_LED1, LOW);
    digitalWrite(BLUE_LED1, LOW);
  }

  if (switch2 == HIGH) {
    digitalWrite(RED_LED2, HIGH);
    digitalWrite(BLUE_LED2, HIGH);
  } else {
    digitalWrite(RED_LED2, LOW);
    digitalWrite(BLUE_LED2, LOW);
  
  delay(50);
}
}