rail, 84 bytes

Result

AC

Duration

814ms

Code [DL]

$'main'    /-iio\
 \-ii{d}iq<      -iii{main}
           \-oii/
$'d'
 \-(!s!)(s)(s)#

stdin

736 865
748 588
833 338
746 718
453 354
799 591
233 326
297 749
371 776
759 596
979 381
699 991
883 118
242 583
988 453
166 147
316 612
146 461
297 998
498 886
482 993
588 282
661 648
122 559
828 739
699 926
768 673
935 582
148 882
511 332
875 277
765 766

stdout

85373937753915866498986279658127

stderr

Crash: A read was attempted when there is no more inputIndex Out Of Bounds for the 'cut' command

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffcf3c09bb0 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x563ead3abd30 /* 7 vars */ <unfinished ...>
12    execve("/usr/bin/rail", ["/usr/bin/rail", "/volume/CODE"], 0x563ead3abd40 /* 7 vars */ <unfinished ...>
11    <... execve resumed>)             = 0
12    <... execve resumed>)             = 0
11    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
12    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
10    +++ exited with 0 +++