F!--

F!-- is the same as F! except that it has no char output, and therefore completely equivalent to Deadfish. This article is not a stub.

Commands

F!--	F!	Deadfish
F!	F!	i
U!	U!	d
C!	C!	s
K! (prints integer)	K! (prints chracter)	o (prints integer)

Examples

XKCD Random Number

F! F! F! F! K!

Interpreter

Python interpreter:

import sys
c=sys.stdin.read()
d=c.split()
x=0
for i in d:
    if i=='F!':
        x+=1
    if i=='U!':
        x-=1
    if i=='C!':
        x*=x
    if i=='K!':
        print(x)
    x%=256