int redb;
int greenb;
int blueb; 
void setup() 
{
pinMode(12, INPUT_PULLUP);
pinMode(11, INPUT_PULLUP);
pinMode(10, INPUT_PULLUP);
pinMode(9, OUTPUT);
pinMode(8, OUTPUT);
pinMode(7, OUTPUT);
}

void loop() 
{
redb = digitalRead(10);
greenb = digitalRead(11);
blueb = digitalRead(12);
if(redb == 0)
digitalWrite(9,1);
else
digitalWrite(9,0);
if(greenb == 0)
digitalWrite(8,1);
else
digitalWrite(8,0);
if(blueb == 0)
digitalWrite(7,1);
else
digitalWrite(7,0);
}