abc, 96 bytes

Result

AC

Duration

694ms

Code [DL]

WHILEe>0:
	READsRAW
	FORjIN{1..50}:
		IFs@j>"S":PUTjINt
		IFs@j>"J":PUTjINk
	WRITE 10**(t-k)>>t/

stdin

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                             K                    

stdout

                                              1
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                                              1
                             100000000000000000

stderr

*** Cannot find or read messages file; using numbers
 (message 3119)  (message 3100)     READ s RAW
 (message 3113)  (message 3111)  (message 3114)   (message 3807) 

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffcc906c890 /* 8 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x564e5c5efbd8 /* 8 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} ---
13    execve("/root/ABC/abc", ["/root/ABC/abc", "/volume/CODE"], 0x564e5d584758 /* 8 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    +++ exited with 1 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=1, si_utime=1, si_stime=0} ---
10    +++ exited with 1 +++