void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
}
void loop() {
  static byte b1 = B10101010;
  static byte b2 = B11110000;
  byte b3 = b1&b2;
  //b3 = b1 | b2 ;
  //b3 = b1 ^ b2 ;
  //b3 = ~b1;
  b3 = ~(b1&b2);
  //Serial.println(b3, BIN);
  delay(1000);
  static byte b4 = B0000001;
  static byte b5 = B10100000;
  b4 = b4 <<1;
  b5 = b5 >>3;

  Serial.println(b5, DEC);

}