String name="Hak yonghouv";
  char gender="F";
  int age=15;
  bool married=false;
  float salary=10000;
  void setup() {
      Serial.begin(9600);
  }
void loop() {
  delay(5000);
  Serial.println("My friend information.");
  Serial.println(age);
  Serial.println(salary);
  Serial.println(gender);
  Serial.println(name);
  Serial.println(married);

}