int a;
int b;
int c;
int d;
float e;
int f;

void setup() {
  // put your setup code here, to run once:
  a = 8;
  b = 3;
  c = tambah(a, b);
  d = kurang(a,b);
  e = bagi(a,b);
  f = modulus(a,b);
  Serial.begin(115200);
  }

void loop() {
  // put your main code here, to run repeatedly:
  Serial.println(c);
  delay(500);
  Serial.println(d);
  delay(500);
  Serial.println(e);
  delay(500); 
  Serial.println(f);
  delay(500);
  // this speeds up the simulation
}

int tambah(int a, int b){
  return a + b;
}

int kurang(int a, int b){
  if (a >= b){
    return a-b;
  }
  else {
    return b-a;
  }
  }

float bagi(float a, float b){
  return a / b;
}

int modulus(int a, int b){
  return a % b;
}