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