starry, 27 bytes

Result

AC

Duration

912ms

Code [DL]

` , , + , * ' .,' ` , , .,'

Disassembly

[[:label, 0],
 [:char_in],
 [:char_in],
 [:dup],
 [:char_in],
 [:-],
 [:jump, 1],
 [:char_out],
 [:num_in],
 [:jump, 0],
 [:label, 1],
 [:char_in],
 [:char_in],
 [:char_out],
 [:num_in],
 [:jump, 0]]

stdin

585 883
256 262
377 972
311 192
859 215
748 845
355 554
128 287
242 427
856 932
455 147
565 567
631 371
552 383
327 311
366 673
243 542
884 442
377 773
346 426
799 249
485 662
879 892
511 714
873 328
185 542
934 774
644 227
588 994
617 778
894 998
764 562

stdout

82712852495533365474968135748795

stderr

/root/starry.rb:65:in `run': undefined method `ord' for nil:NilClass (NoMethodError)
	from /root/starry.rb:13:in `run'
	from /root/starry.rb:154:in `<main>'

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffeb4d9e180 /* 9 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x558fe508cd70 /* 9 vars */ <unfinished ...>
12    execve("/usr/local/ruby-2.7.1/bin/ruby", ["/usr/local/ruby-2.7.1/bin/ruby", "/root/starry.rb", "/volume/CODE"], 0x558fe6e0b028 /* 9 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 1 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=1, si_utime=3, si_stime=4} ---
10    +++ exited with 1 +++