golang, 173 bytes

Result

WA

Duration

1568ms

Code [DL]

package main
import (b "bufio"
"os")
func main(){
s:=b.NewScanner(os.Stdin)
for i:=0;i<32;i++{
s.Scan()
s:=s.Text()
if s[1]==s[2]{
print(s[2]-'0')
}else{
print(s[4]-'0')
}}}

stdin

873 936
351 198
283 399
981 112
728 363
166 177
657 158
399 663
998 441
281 119
414 414
369 294
873 774
258 551
811 819
282 288
155 441
383 872
432 323
522 263
729 622
231 669
977 412
163 868
699 994
339 721
933 339
747 157
611 122
521 251
799 395
865 652

stdout

stderr

91313619414275125832667897311296

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7fffcf529dc0 /* 7 vars */) = 0
11    execve("/usr/bin/realpath", ["realpath", "/volume/CODE"], 0x55ac87b62d18 /* 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("/bin/ln", ["ln", "-sf", "/volume/CODE", "/tmp/code.go"], 0x55ac87b62d38 /* 7 vars */) = 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=0, si_stime=0} ---
13    execve("/usr/bin/go", ["/usr/bin/go", "build", "-o", "/tmp/code", "/tmp/code.go"], 0x55ac8832c028 /* 7 vars */) = 0
19    execve("/usr/lib/go/pkg/tool/linux_amd64/compile", ["/usr/lib/go/pkg/tool/linux_amd64"..., "-V=full"], 0xc0003068f0 /* 25 vars */) = 0
20    execve("/usr/lib/go/pkg/tool/linux_amd64/compile", ["/usr/lib/go/pkg/tool/linux_amd64"..., "-V=full"], 0xc000312dd0 /* 25 vars */) = 0
22    +++ exited with 0 +++
21    +++ exited with 0 +++
23    +++ exited with 0 +++
24    +++ exited with 0 +++
19    +++ exited with 0 +++
16    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
25    execve("/usr/lib/go/pkg/tool/linux_amd64/asm", ["/usr/lib/go/pkg/tool/linux_amd64"..., "-V=full"], 0xc000306a90 /* 25 vars */) = 0
29    +++ exited with 0 +++
31    +++ exited with 0 +++
28    +++ exited with 0 +++
30    +++ exited with 0 +++
20    +++ exited with 0 +++
27    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
32    execve("/usr/lib/go/pkg/tool/linux_amd64/asm", ["/usr/lib/go/pkg/tool/linux_amd64"..., "-V=full"], 0xc000306c30 /* 25 vars */) = 0
34    +++ exited with 0 +++
35    +++ exited with 0 +++
33    +++ exited with 0 +++
36    +++ exited with 0 +++
25    +++ exited with 0 +++
16    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
37    +++ exited with 0 +++
38    +++ exited with 0 +++
39    +++ exited with 0 +++
40    +++ exited with 0 +++
32    +++ exited with 0 +++
16    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
41    execve("/usr/lib/go/pkg/tool/linux_amd64/compile", ["/usr/lib/go/pkg/tool/linux_amd64"..., "-o", "/tmp/go-build759299198/b001/_pkg"..., "-trimpath", "/tmp/go-build759299198/b001=>", "-p", "main", "-complete", "-buildid", "_CKwxm_FENNwyBny8EIf/_CKwxm_FENN"..., "-goversion", "go1.13.10", "-D", "_/tmp", "-importcfg", "/tmp/go-build759299198/b001/impo"..., "-pack", "-c=2", "/tmp/code.go"], 0xc0003f44e0 /* 25 vars */) = 0
42    +++ exited with 0 +++
43    +++ exited with 0 +++
45    +++ exited with 0 +++
44    +++ exited with 0 +++
41    +++ exited with 0 +++
15    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
46    execve("/usr/lib/go/pkg/tool/linux_amd64/link", ["/usr/lib/go/pkg/tool/linux_amd64"..., "-V=full"], 0xc000100340 /* 25 vars */) = 0
48    +++ exited with 0 +++
47    +++ exited with 0 +++
50    +++ exited with 0 +++
49    +++ exited with 0 +++
46    +++ exited with 0 +++
26    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
51    execve("/usr/lib/go/pkg/tool/linux_amd64/link", ["/usr/lib/go/pkg/tool/linux_amd64"..., "-o", "/tmp/go-build759299198/b001/exe/"..., "-importcfg", "/tmp/go-build759299198/b001/impo"..., "-buildmode=exe", "-buildid=s-t10UESiqXo3B8grpTB/_C"..., "-extld=gcc", "/tmp/go-build759299198/b001/_pkg"...], 0xc0003f48f0 /* 25 vars */) = 0
52    +++ exited with 0 +++
55    +++ exited with 0 +++
53    +++ exited with 0 +++
54    +++ exited with 0 +++
51    +++ exited with 0 +++
26    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=16, si_stime=4} ---
27    +++ exited with 0 +++
26    +++ exited with 0 +++
18    +++ exited with 0 +++
17    +++ exited with 0 +++
16    +++ exited with 0 +++
15    +++ exited with 0 +++
14    +++ exited with 0 +++
13    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=3, si_stime=12} ---
56    execve("/bin/cat", ["cat", "-"], 0x55ac87b62d08 /* 7 vars */ <unfinished ...>
57    execve("/tmp/code", ["/tmp/code"], 0x55ac87b62cf0 /* 7 vars */ <unfinished ...>
56    <... execve resumed>)             = 0
57    <... execve resumed>)             = 0
56    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
58    +++ exited with 0 +++
61    +++ exited with 0 +++
59    +++ exited with 0 +++
60    +++ exited with 0 +++
57    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
62    execve("/bin/rm", ["rm", "/tmp/code.go", "/tmp/code"], 0x55ac87b62cf0 /* 7 vars */) = 0
62    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
10    +++ exited with 0 +++