#define RLED1 23
#define RLED2 22
#define RedSW 2
void setup() {
  pinMode(RLED1, OUTPUT);
  pinMode(RLED2, OUTPUT);
  pinMode(RedSW, INPUT_PULLUP);
  digitalWrite(RLED1,HIGH); 
  digitalWrite(RLED2, HIGH);
}
int status = 0;
void loop() {
  if(digitalRead(RedSW)== HIGH)
  {
     if(++status>4) status =1;  
     while(digitalRead(RedSW)==HIGH) delay(50);
  }
  switch(status)
  {
    case 1: digitalWrite(RLED1, LOW);  digitalWrite(RLED2, HIGH);
            digitalWrite(RLED2, HIGH);break;
    case 2: digitalWrite(RLED1, HIGH);  digitalWrite(RLED2, LOW);
            digitalWrite(RLED2, HIGH);break;      
  } 
  delay(20);
}