void setup() {
  int a, b, c;
  a = 10;

Serial.begin(9600);
//Serial.println(3+2);
//Serial.println(3*2*a);
//Serial.println(10/5);
//Serial.println(10/3);
//Serial.println(10/3.0);
//Serial.println(10/3);
//Serial.println(10%3);
//Serial.println(10+2*5);
//Serial.println(5/2*3);
}

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

}