x = 0

start:
    x = x + 1
    IF x % 3 == 0 THEN
        IF x % 5 == 0 THEN
            PRINT "fizzbuzz"
        ELSE
            PRINT "fizz"
        END IF
    ELSE
        IF x % 5 == 0 THEN
            PRINT "buzz"
        ELSE
            PRINT x
        END IF
    END IF

    PRINT_FLUSH(message1)

GOTO start