fish, 77 bytes

Result

AC

Duration

3688ms

Code [DL]

0v
i<+1:?%8v?%4:o:
v   :~~<<
<-1v?%2^?=a:o:iv!?:
\-1  n1        <
 : <n1-1;!?

stdin

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         K                                        

stdout

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         K11111

stderr

strace

11    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffd0d1b6470 /* 7 vars */) = 0
12    execve("/bin/cat", ["cat", "-"], 0x55d42e95bd68 /* 7 vars */) = 0
13    execve("/usr/bin/python3", ["/usr/bin/python3", "/root/fish.py", "/volume/CODE"], 0x55d42fd6b068 /* 7 vars */) = 0
12    +++ exited with 0 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    +++ exited with 0 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=70, si_stime=54} ---
11    +++ exited with 0 +++