make, 161 bytes

Result

WA

Duration

831ms

Code [DL]

1=$(STDIN)
f=$(if $1,$(word 2,$(filter $(wordlist 3,4,$1),$1))$(call f,$(wordlist 7,999,$1)))
a:;$(foreach d,1 2 3 4 5 6 7 8 9,$(eval 1:=$$(subst $d, $d,$$1)))$f

stdin

848 974
723 228
369 494
776 674
377 779
399 991
896 961
957 573
228 388
634 885
688 989
631 374
374 752
544 978
216 913
825 564
577 887
664 448
132 181
794 282
788 826
488 388
988 367
553 156
567 223
744 477
268 871
344 669
994 442
839 334
491 191
186 258

stdout

83467967388144957422888124844912

stderr

make: 83467967388144957422888124844912: No such file or directory
make: *** [/volume/CODE:3: a] Error 127

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffdc60bf670 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x55cd7500b028 /* 7 vars */ <unfinished ...>
12    execve("/usr/bin/ag_launcher", ["/usr/bin/ag_launcher", "-i", "/usr/bin/make", "-f", "/volume/CODE"], 0x55cd7500b0a8 /* 7 vars */ <unfinished ...>
11    <... execve resumed>)             = 0
12    <... execve resumed>)             = 0
12    execve("/usr/bin/make", ["/usr/bin/make", "-f", "/volume/CODE"], 0x564a4067fda0 /* 8 vars */ <unfinished ...>
11    +++ exited with 0 +++
12    <... execve resumed>)             = 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 2 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=2, si_utime=0, si_stime=0} ---
10    +++ exited with 2 +++