PalindromemordnilaP

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Problem

Given an alphanumeric string, append minimum number of characters to get a palindrome and output the result.

For example, on input Palindromemord, output PalindromemordnilaP.

Note: all inputs will be one character maximum.

Options

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rejudge feature is enabled

now post-mortem time, all source codes will be revealed

Sample input:_

a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
d
i
a
j
d
o
e
a
p
q
d
g
w
3
g
z
c
g
w
a
q
g
2
b
n
h
s
f
p
e
g
a
u
v
w
x
y
z

Sample output:

a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
d
i
a
j
d
o
e
a
p
q
d
g
w
3
g
z
c
g
w
a
q
g
2
b
n
h
s
f
p
e
g
a
u
v
w
x
y
z

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