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

void loop() {
  // put your main code here, to run repeatedly:
  delay(10);
  if (Serial.available()) {
    char buffer[64];
    int bytesRead = Serial.readBytesUntil('\n', buffer, 64);
    buffer[bytesRead] = '\0';
    int number = atoi(buffer);
    Serial.print("Received: 0 ");
    Serial.println(number);
    for (int i =0; i < number+1; i++) {
      if (i % 2 != 0) {
        Serial.print(i);
        Serial.println(": Hello World");
      }
    }
  }
}