FUNCTION is_prime(n):
    IF n <= 1:
        RETURN False
    FOR i FROM 2 TO square_root(n):
        IF n MOD i == 0:
            RETURN False
    RETURN True

FUNCTION primes_starting_with_5():
    primes = EMPTY LIST
    FOR num FROM 500 TO 599:
        IF is_prime(num):
            ADD num TO primes
    RETURN primes

CALL primes_starting_with_5() AND PRINT the result