int LedR = 3,LedG = 5,LedB = 6;  //Red LED 3, Green LED 5, Blue LED 6
int SW1 = 7, SW2 = 8, SW3 = 9;

void setup() {
  // put your setup code here, to run once:
  pinMode(LedR,OUTPUT);
  pinMode(LedG,OUTPUT);
  pinMode(LedB,OUTPUT);
  digitalWrite(LedR,HIGH);  
  digitalWrite(LedG,HIGH);
  digitalWrite(LedB,HIGH);
  pinMode(SW1,INPUT);
  pinMode(SW2,INPUT);
  pinMode(SW3,INPUT);
  Serial.begin(115200);
  Serial.print("Hello Arduino\n");
}

void loop() {
  // put your main code here, to run repeatedly:
  int sw1_val, sw2_val, sw3_val;
  sw1_val = digitalRead(SW1);
  sw2_val = digitalRead(SW2);
  sw3_val = digitalRead(SW3);
  digitalWrite(LedR,sw1_val);
  digitalWrite(LedG,sw2_val);
  digitalWrite(LedB,sw3_val);
}