Baltic Olympiad in Informatics: 2003 Day 2, Problem 2
There is a castle with a circular main hall. There are lamps numbered from
to
on the wall of the hall. Each of the lamps can be either on or off. At each second the lamp number
changes its state if the lamp number
is on, except the lamp number
changes its state if the lamp number
is on.
Your task is, given the initial states of all lamps at some moment, to find their states after seconds.
Input Specification
The first line of the input contains two integers
and
. The next
lines contain the initial states of the lamps, starting with the lamp number
. A line containing
means that the lamp is off and
means that the lamp is on.
Output Specification
The output must contain exactly lines describing the states of the lamps after
seconds, starting with the lamp number
.
Sample Input
3 1
0
0
1
Sample Output
0
1
1
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