#include "Arduino.h"

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("**** Hello world ****");
}


void loop() {
  // put your main code here, to run repeatedly:
  byte a = 1;
  Serial.printf("Begin: a = %d\r\n",a);
  a = a << 1;
  Serial.printf("After a << 1 = %d\r\n",a);
  a = a << 1;
  Serial.printf("After a << 1 = %d\r\n",a);
  a = a << 1;
  Serial.printf("After a << 1 = %d\r\n",a);
  a = a >> 1;
  Serial.printf("After a >> 1 = %d\r\n",a);
  a = a >> 1;
  Serial.printf("After a >> 1 = %d\r\n",a);

  while (true);

}