Fehler durch Konstante?

#include <avr/io.h>

#include <avr/interrupt.h>

#define RED  43;

#define GREEN 109;

#define BLUE  2;

#define STEPS  256;

volatile uint8_t i = 0;

ISR(TIMER0_OVF_vect)

{

  i++;

  if(i == RED) {

    PORTC |= (1<<PB0);

    }

  if(i == GREEN) {

    PORTC |= (1<<PB1);

    }

  if(i == BLUE) {

    PORTC |= (1<<PB2);

    }

  if(i==STEPS) {

    i=0;

    PORTC &= ~((1<<PB0) | (1<<PB1) | (1<<PB2));

    }

}