make, 168 bytes

Result

WA

Duration

1063ms

Code [DL]

1=$(STDIN)
f=$(if $1,$(word 2,$(filter $(word 2,$1) $(word 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

271 436
322 928
261 135
637 239
566 775
544 459
599 724
265 375
722 378
782 881
719 913
574 949
466 663
725 241
131 318
598 665
832 226
488 448
616 619
989 523
246 565
816 161
468 885
477 781
177 675
382 449
428 225
965 697
627 742
929 218
412 518
522 223

stdout

42126493289962362815518774267252

stderr

make: 42126493289962362815518774267252: No such file or directory
make: *** [/volume/CODE:3: a] Error 127

strace

11    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffc419b8080 /* 7 vars */) = 0
12    execve("/bin/cat", ["cat", "-"], 0x55a73a530028 /* 7 vars */ <unfinished ...>
13    execve("/usr/bin/ag_launcher", ["/usr/bin/ag_launcher", "-i", "/usr/bin/make", "-f", "/volume/CODE"], 0x55a73a5300a8 /* 7 vars */) = 0
12    <... execve resumed>)             = 0
13    execve("/usr/bin/make", ["/usr/bin/make", "-f", "/volume/CODE"], 0x564f8ecfada0 /* 8 vars */ <unfinished ...>
12    +++ exited with 0 +++
13    <... execve resumed>)             = 0
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    +++ exited with 2 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=2, si_utime=0, si_stime=0} ---
11    +++ exited with 2 +++