fish, 98 bytes

Result

AC

Duration

1445ms

Code [DL]

0v
i<o*48+1v?='T'
 vo*25n1<
v>i25*=?
>:>:0= ?v1'K'v
o ^o*84- v?=i<
 i25*=?v>
^*25n1~< +
n1-1;?=0:<

stdin

                                             T    
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                K                 

stdout

                                             1
                                             1
                                             1
                                             1
                                             1
                                             1
                                             1
                                             1
                                             1
                                11111111111111

stderr

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffca9a33a90 /* 7 vars */) = 0
12    execve("/usr/bin/python3", ["/usr/bin/python3", "/root/fish.py", "/volume/CODE"], 0x556ae7d52068 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x556ae76b2d68 /* 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    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=23, si_stime=10} ---
10    +++ exited with 0 +++