401694: GYM100514 F 2715

Memory Limit：256 MB Time Limit：1 S
Judge Style：Text Compare Creator：
Submit：0 Solved：0

Description

F. 2715time limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard output

You are given an encrypted string, encrypted using a certain algorithm.Decrypt it !

Input

The first and single line of input contains a string s, which each of it's characters is a lower case English letter. (1 ≤ |s| ≤ 105)

Output

Print the original string.

ExamplesInput
hhcnjbff
Output
charzeh
Input
dnadddaaj
Output
yousefi
Input
cnli
Output
mmt
Input
boiah
Output
easy
Input
chmijdmnh
Output
problem

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