powershell, 24 bytes

Result

INVALID

Duration

1558ms

Code [DL]

awk '$0=$2-$3?$3:$5' FS=

stdin

549 948
388 899
942 754
662 216
233 416
688 336
911 919
122 227
566 677
728 161
963 331
683 113
713 218
641 485
253 152
743 446
347 383
345 759
234 414
919 193
422 667
726 428
455 558
514 118
662 224
255 253
269 697
377 395
848 412
314 339
958 852
337 479

stdout

9
8
2
2
4
3
9
2
6
8
3
3
3
1
3
3
7
5
4
9
6
6
5
4
2
2
9
3
8
4
8
7

stderr

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffd6fa75a00 /* 6 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x561b5c0c5c10 /* 6 vars */) = 0
12    execve("/usr/bin/pwsh", ["/usr/bin/pwsh", "/volume/CODE"], 0x561b5c0c5c28 /* 6 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} ---
15    +++ exited with 0 +++
16    +++ exited with 0 +++
12    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
33    execve("/usr/bin/awk", ["/usr/bin/awk", "$0=$2-$3?$3:$5", "FS="], 0x7fe27000ab80 /* 7 vars */) = 0
33    +++ exited with 0 +++
31    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
31    +++ exited with 0 +++
32    +++ exited with 0 +++
28    +++ exited with 0 +++
29    +++ exited with 0 +++
25    +++ exited with 0 +++
30    +++ exited with 0 +++
26    +++ exited with 0 +++
23    +++ exited with 0 +++
22    +++ exited with 0 +++
27    +++ exited with 0 +++
24    +++ exited with 0 +++
21    +++ exited with 0 +++
20    +++ exited with 0 +++
19    +++ exited with 0 +++
18    +++ exited with 0 +++
17    +++ exited with 0 +++
14    +++ exited with 0 +++
13    +++ 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=31, si_stime=19} ---
10    +++ exited with 0 +++