char Incoming_value = 0;
char p ;
char m2;
int p2 =0;
int palab=0 ;
int b = 0;
int m=0;
String mp= "lo";
String lp= "rt";
char tmp;
void setup() {
  // put your setup code here, to run o
 Serial.begin(9600);
  pinMode(13, OUTPUT);
}
void loop() {
  // put your main code here, to run repeatedly:
  if(Serial.available() > 0)  
{ 
    m2= Serial.read();
   //if (m2 == 'v') {m = 555;}
//if (m2 == 'c') {m = 333;}
     if ((m2)== 'C'){
     palab =Serial.parseInt();
    if (palab >0) {b =palab;}
    m = b*2;} 

               if ((m2)== 'B'){
     palab =Serial.parseInt();
    if (palab >0) {b =palab;}
    m = b*3;}           
  }
    
//Serial.print (millis()/100);

Serial.print ("A98745");
Serial.print ("!");
Serial.print ("B987");
Serial.print ("!");


//Serial.print ("B");
//Serial.print ("25");
//Serial.println ("!");

//Serial.print ("C");
//Serial.println ("*");

delay(100);


 //Serial.print(p2);  
// Serial.print ("k");