rprogn, 68 bytes

Result

WA

Duration

916ms

Code [DL]

read x =
x w{
x p
read "K" f
] !
}
] " " \ m w x "T" f \ - "*" \ m w

stdin

          T                                       
                                                  
K                                                 

stdout

          T                                       
          T                                       
 **********

stderr

strace

11    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7fff08841d40 /* 7 vars */) = 0
13    execve("/usr/bin/lua5.3", ["/usr/bin/lua5.3", "main.lua", "/volume/CODE"], 0x5563f9ffd068 /* 8 vars */ <unfinished ...>
12    execve("/bin/cat", ["cat", "-"], 0x5563f8478d60 /* 8 vars */) = 0
13    <... execve resumed> )            = 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=0, si_stime=0} ---
11    +++ exited with 0 +++