int x = 1616;
int a;
int b;

void setup() {
  Serial.begin(9600);
  a = highByte(x);
  b = lowByte(x);


}

void loop() {
  Serial.print("high = ");
  Serial.print(a);
  Serial.print(" low = ");
  Serial.print(b);
  Serial.print(" ID = "); 
  Serial.println(x,HEX); 
  Serial.println(x % 256,HEX);   
  delay(500);

}