make, 161 bytes

Result

WA

Duration

936ms

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

477 453
599 993
558 572
928 821
561 669
922 641
288 589
759 654
236 635
296 959
595 155
952 229
554 473
272 722
926 663
122 523
912 887
994 434
981 675
433 492
466 623
344 991
344 995
638 381
342 181
148 775
657 818
671 673
689 298
942 442
766 619
911 117

stdout

79581286665247628463644817812261

stderr

make: 79581286665247628463644817812261: No such file or directory
make: *** [/volume/CODE:3: a] Error 127

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffc60a66b30 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x562723413028 /* 7 vars */ <unfinished ...>
12    execve("/usr/bin/ag_launcher", ["/usr/bin/ag_launcher", "-i", "/usr/bin/make", "-f", "/volume/CODE"], 0x5627234130a8 /* 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    execve("/usr/bin/make", ["/usr/bin/make", "-f", "/volume/CODE"], 0x556ff10abda0 /* 8 vars */) = 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 +++