make, 168 bytes

Result

WA

Duration

755ms

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

335 961
522 252
433 116
366 665
653 661
993 434
457 454
241 996
984 881
311 162
878 883
611 512
439 351
211 867
571 176
787 822
141 178
412 679
134 349
676 664
766 168
733 554
938 452
816 969
266 925
859 558
994 196
689 986
854 545
816 192
533 336
194 481

stdout

32365959817131184637634965995134

stderr

make: 32365959817131184637634965995134: No such file or directory
make: *** [/volume/CODE:3: a] Error 127

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffd48e47df0 /* 7 vars */) = 0
12    execve("/usr/bin/ag_launcher", ["/usr/bin/ag_launcher", "-i", "/usr/bin/make", "-f", "/volume/CODE"], 0x562b5f94f0a8 /* 7 vars */ <unfinished ...>
11    execve("/bin/cat", ["cat", "-"], 0x562b5f94f028 /* 7 vars */ <unfinished ...>
12    <... execve resumed>)             = 0
11    <... execve resumed>)             = 0
12    execve("/usr/bin/make", ["/usr/bin/make", "-f", "/volume/CODE"], 0x56255a640da0 /* 8 vars */) = 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 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 +++