void setup() {
  // put your setup code here, to run once:
  pinMode(5, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(2, OUTPUT);
  }
void loop() {
  // put your main code here, to run repeatedly:
 displayColor(0b100);
 delay(1000);
 displayColor(0b010);
 delay(1000);
displayColor(0b001);
delay(1000);
displayColor(0b101);
delay(1000);
displayColor(0b011);
delay(1000);
displayColor(0b110);
delay(1000);
displayColor(0b111);
delay(1000);
displayColor(0b000);
delay(1000);
}
void displayColor(byte color) {
 digitalWrite(5, !bitRead(color, 2));
 digitalWrite(4, !bitRead(color, 1));
 digitalWrite(2, !bitRead(color, 0));
}