make, 168 bytes

Result

WA

Duration

792ms

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

946 646
292 695
176 714
544 249
422 661
255 557
697 775
954 478
299 858
341 585
547 673
215 552
786 384
995 955
277 753
655 546
432 627
438 373
244 847
436 654
117 615
276 553
133 338
924 358
672 342
422 485
211 994
454 554
296 966
838 835
918 227
172 779

stdout

66742574956539756346153332159327

stderr

make: 66742574956539756346153332159327: No such file or directory
make: *** [/volume/CODE:3: a] Error 127

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffed1554cc0 /* 7 vars */) = 0
12    execve("/usr/bin/ag_launcher", ["/usr/bin/ag_launcher", "-i", "/usr/bin/make", "-f", "/volume/CODE"], 0x55e0571800a8 /* 7 vars */ <unfinished ...>
11    execve("/bin/cat", ["cat", "-"], 0x55e057180028 /* 7 vars */) = 0
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    execve("/usr/bin/make", ["/usr/bin/make", "-f", "/volume/CODE"], 0x55e063eacda0 /* 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 +++