rail, 129 bytes

Result

WA

Code [DL]

$ 'j'      #(c){j}(x)-@
---(!x!)(!c!)(c)(x)g<
$ 'main'@     #(x)(c)-@
 \@      \-uo--
 | \j}i-  \    >#
 9  {   >u--1q/
 \-1a-e/

stdin

2646283812436988021201752603997237859631235313194925451832499122625222263924963209102990807756764994

stdout

stderr

Crash: No end delimiter found for multicharacter command

strace