backhand, 20 bytes

Result

AC

Duration

812ms

Code [DL]

i&*i+-:o&iI:Eii$0~ij

stdin

815 564
846 427
291 913
655 453
242 558
958 638
688 887
227 622
288 715
359 514
847 878
749 446
739 339
566 997
488 556
299 194
827 776
384 514
313 377
911 123
546 778
298 799
366 681
288 882
987 789
773 939
786 663
477 684
558 658
179 791
624 452
778 872

stdout

54955686858436897531776879676748

stderr

Tried to print invalid value (-1) as character

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffcc5a030f0 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x5582ea77ed80 /* 7 vars */ <unfinished ...>
12    execve("/usr/bin/python3", ["/usr/bin/python3", "/root/Backhand/Backhand_Interpre"..., "/volume/CODE"], 0x5582eb782050 /* 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 1 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=1, si_utime=3, si_stime=0} ---
10    +++ exited with 1 +++