How to Switch colors of an RGB LED with two Piezo-sensor

[system]

void loop () 
{
  int greenState = digitalRead(PiezoGreen);
  int redState = digitalRead(PiezoRed);
  
  digitalWrite (GreenLED, !greenState);

  digitalWrite (RedLED, redState);
  
  digitalWrite (BluLED, greenState == redState);
}