int a = 15;
void setup()
{
 Serial.begin(9600);
}
void loop()
{
  Serial.println(10);
  Serial.println(1.234);
  Serial.println("Arduino");
  Serial.println(a,BIN);
  Serial.println(a,DEC);
  Serial.println(a,DCT);
  Serial.prinyln(a,HEX);
}