japt, 18 bytes

Result

WA

Duration

914ms

Code [DL]

qR cA{Ag2*AbAg2} q

stdin

723 778
633 343
731 985
663 628
655 918
558 855
655 546
445 355
855 559
237 733
891 997
376 132
977 663
513 358
613 614
764 765
945 386
581 117
733 338
844 213
515 157
686 771
327 786
766 358
945 446
846 469
899 599
369 991
455 995
611 218
927 245
759 192

stdout

73965853579173673134567644995121

stderr

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7fff36d30160 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x561beb49bcf8 /* 7 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    execve("/usr/bin/node", ["/usr/bin/node", "/root/japt-cli.js", "/volume/CODE", "723 778\n633 343\n731 985\n663 628\n"...], 0x561beb60f290 /* 7 vars */) = 0
13    +++ exited with 0 +++
16    +++ exited with 0 +++
15    +++ exited with 0 +++
14    +++ exited with 0 +++
17    +++ exited with 0 +++
18    +++ exited with 0 +++
12    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=7, si_stime=1} ---
10    +++ exited with 0 +++