fish, 84 bytes

Result

AC

Duration

2694ms

Code [DL]

0v
i<o*48+1v?%8
1nao:v  >
v?=ai<
>>:?!v1i:8v
o^ -o~!v?%<
ai=?v>!~
^n1:<  +
1-1;!?:<n

stdin

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                                   K              

stdout

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                                   111111

stderr

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffd91480280 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x557644032d68 /* 7 vars */ <unfinished ...>
12    execve("/usr/bin/python3", ["/usr/bin/python3", "/root/fish.py", "/volume/CODE"], 0x5576445f6068 /* 7 vars */ <unfinished ...>
11    <... execve resumed> )            = 0
12    <... execve resumed> )            = 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    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=44, si_stime=34} ---
10    +++ exited with 0 +++