//boolean code 
char data;
int a,b;
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
Serial.println("$$_$$");
}
void loop() {
  // put your main code here, to run repeatedly:
if(Serial.available()){
data = Serial.read();
Serial.println(data);
if(data == '1'){
  a=1,b=1;
  if(a==1 && b==1){
    Serial.println("&($$)&");
  }
}
if(data == '2'){
  a++,b++;
  if(a>1 || b>1){
    Serial.println("||$$||");
  }
}
if(data == '3'){
  a=!a;
  if(!a){
    Serial.println("!!$$!!");
  }
  else(){
    Serial.println("shit!!!???");
  }
}
}
}