void setup() {
int a = 6;
  // put your setup code here, to run once:
Serial.begin(9600);
  switch (a){
  case 1:
   Serial.println("1 = satu");
   break;
  case 2:
   Serial.println("2 = dua");
   break;
  case 3:
   Serial.println("3 = tiga");
   break;
  case 4:
   Serial.println("4 = empat");
   break;
  case 5:
   Serial.println("5 = lima");
   break;
  case 6:
   Serial.println("6 = enam");
   break;
  case 7:
   Serial.println("7 = tujuh");
   break;
  case 8:
   Serial.println("8 = delapan");
   break;
  case 9:
   Serial.println("9 = sembilan");
   break;
  case 10:
   Serial.println("7 = sepuluh");
   break;
}
}

void loop() {
  // put your main code here, to run repeatedly:

}