void setup()
{
  Serial.begin(9600);
}

void loop()
{
  char message[16];
  byte count = 0;

  while (Serial.available() < 2)
  {
  }

  char ch = Serial.read();

  while(ch != '!')
  {
    message[count] = ch;
    ch = (char)Serial.read();
    count++;
  }

  message[count] = '\0';
  Serial.println(message);

}