//This program will echo back the word or text that is sent

String vakk = "";

void setup() {
  Serial.begin(9600);  // Initialize serial at 9600 baud
  while (!Serial);     // Wait for serial port to connect (optional)
}

void loop() {
  if (Serial.available()) {
    char incoming = Serial.read();
    if (incoming != '\n') {
      Serial.print(incoming);  // print characters immediately without newline
      vakk += incoming;        // build the string (if needed)
    } else {
      Serial.print(",");       // print custom ending without newline
      Serial.print(" to you too!"); // print custom ending on same line
      Serial.println();        // finally print newline once
      vakk = "";               // reset string
    }
  }
  delay(10);
}