FUACM006 - Problems 6: Change String

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Given String S (length(S) <= 20), you must change string S to S' with conditions:

  1. All character numbers ('0'-'9') in string removed.
  2. All character not latin lowercase (not in 'a'-'z') change to '@'.

Input

String S

Output

String S'

Example

Input:
12fu_acm_012zzz

Output:
fu@acm@zzz

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Long Hoàng: 2014-11-26 17:24:44

đề lừa tình đồng bào vừa thôi nhá :v


Added by:Gầy :))
Date:2014-11-21
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All except: ASM64