401703: GYM100514 O 0x

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

Description

O. 0xtime 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 an English letter or a digit or  +  or  =  or  / . (1 ≤ |s| ≤ 105)

Output

Print the original string.

ExamplesInput
Y2hhcnplaA==
Output
charzeh
Input
eW91c2VmaQ==
Output
yousefi
Input
bW10
Output
mmt

Source/Category

加入题单

上一题 下一题 算法标签: