make, 168 bytes

Result

WA

Duration

787ms

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

233 437
866 668
475 448
954 458
431 372
247 471
842 245
599 995
492 997
911 694
544 553
611 137
148 815
574 449
953 534
335 486
158 419
869 267
938 885
655 494
446 482
491 559
136 564
474 243
944 912
233 884
862 667
644 455
949 825
124 626
599 192
135 523

stdout

36743429914184534285455243648695

stderr

make: 36743429914184534285455243648695: No such file or directory
make: *** [/volume/CODE:3: a] Error 127

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffcfe33add0 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x55fd1074d028 /* 7 vars */ <unfinished ...>
12    execve("/usr/bin/ag_launcher", ["/usr/bin/ag_launcher", "-i", "/usr/bin/make", "-f", "/volume/CODE"], 0x55fd1074d0a8 /* 7 vars */ <unfinished ...>
11    <... execve resumed>)             = 0
12    <... execve resumed>)             = 0
12    execve("/usr/bin/make", ["/usr/bin/make", "-f", "/volume/CODE"], 0x556238719da0 /* 8 vars */ <unfinished ...>
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 resumed>)             = 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 +++