void setup() {
  Serial.begin(9600);
  int originalNumber = 5;
  int shiftAmount = 2;
  
  int result = originalNumber << shiftAmount;
  // The binary representation of 5 is 0000 0101
  Serial.println(originalNumber, BIN);
  // Shifting left by 2 positions gives us 0001 0100, which is 20 in decimal
  Serial.println(result, BIN);
}
void loop() {
  // The loop function is not used in this example
}