Bash solution to MUL: what's wrong with my code?

[maciek_sof]

spoj.pl/problems/MUL/

What's wrong with following code?

 cat | (read && cat |tr " " "*" &&echo && echo "quit" ) | bc | \
 tr "\n" "v"| sed  -e 's/\\v//g' | tr "v" "\n" 
 exit 0

On my machine works OK

[noix]

https://www.spoj.pl/problems/MUL/

What's wrong with following code?
[code] cat | (read && cat |tr " " "*" &&echo && echo "quit" ) | bc | \
tr "\n" "v"| sed -e 's/\v//g' | tr "v" "\n"
exit 0 [/code]

On my machine works OK

Two reasons:
1) there was no "bc" in SPOJ "bash" language; I've already added it now
2) even when there is, the program outputs "line 1: : command not found" on my PC

[maciek_sof]

Submissions by [mk109188] in contest [SPOJ].  DoI: 2006-11-27 09:55:46.
/------------------------------------------------------------------------------\
|   ID    |        DATE         |  PROBLEM  |  RESULT   | TIME  |  MEM   | LNG |
|---------|---------------------|-----------|-----------|-------|--------|-----|
|  567466 | 2006-11-27 09:50:34 |       MUL |       TLE |  4.57 |   2584 | BAS |
...

Thank you. It seems,that it works on SPOJ, but bc-based solution is too slow... will have to write it in C