make, 172 bytes

Result

INVALID

Duration

1052ms

Code [DL]

SHELL=/bin/bash
X=$(shell echo $(STDIN)|tr -d ' '|fold -w 6|while read li; do [ $${li:1:1} = $${li:2:1} ]&&aa=1||aa=3;echo "$${li:$$aa:1}";done)
$(foreach i,$X, $(info $i))

stdin

822 543
688 826
854 155
155 442
511 664
877 775
384 843
566 661
971 616
233 457
521 267
617 174
574 443
861 663
121 175
865 959
867 766
242 229
226 114
344 341
449 446
388 872
177 281
925 219
834 559
995 526
261 162
245 125
199 192
354 357
693 159
684 147

stdout

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

stderr

make: *** No targets.  Stop.

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffe7b9c82d0 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x5654b22c4028 /* 7 vars */) = 0
12    execve("/usr/bin/ag_launcher", ["/usr/bin/ag_launcher", "-i", "/usr/bin/make", "-f", "/volume/CODE"], 0x5654b22c40a8 /* 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/make", ["/usr/bin/make", "-f", "/volume/CODE"], 0x55a5e5ae5da0 /* 8 vars */) = 0
13    execve("/bin/bash", ["/bin/bash", "-c", "echo 822 543688 826854 155155 44"...], 0x7fff4a6a6468 /* 8 vars */) = 0
14    +++ exited with 0 +++
15    execve("/usr/bin/tr", ["tr", "-d", " "], 0x55cbafba9bc0 /* 9 vars */) = 0
16    execve("/usr/bin/fold", ["fold", "-w", "6"], 0x55cbafba9bc0 /* 9 vars */) = 0
15    +++ exited with 0 +++
16    +++ exited with 0 +++
17    +++ exited with 0 +++
13    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    +++ exited with 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 +++