Is sha1($s.md5($p)) possible to crack?

[digrolac]

Tried dynamics in JTR but it won't work.

Code:

[List.Generic:dynamic_1351]
Expression=sha1($s.md5($p))
Flag=MGF_INPUT_20_BYTE
Flag=MGF_SALTED
Flag=MGF_FLAT_BUFFERS
SaltLen=32
Func=DynamicFunc__clean_input_kwik
Func=DynamicFunc__clean_input2_kwik
Func=DynamicFunc__append_keys
Func=DynamicFunc__append_salt2
Func=DynamicFunc__SHA1_crypt_input1_append_input2
Func=DynamicFunc__SHA1_crypt_input2_to_output1_FINAL