node, 69 bytes

Result

AC

Duration

588ms

Code [DL]

require("fs").readFileSync(i=0).map(b=>++i<27&&console.log(3-(b>>5)))

stdin

ABCdeFGHiJklMnopQrsTuvwxyz

stdout

1
1
1
0
0
1
1
1
0
1
0
0
1
0
0
0
1
0
0
1
0
0
0
0
0
0

stderr

strace

12    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7fff4cd743b8 /* 7 vars */) = 0
14    execve("/usr/bin/node", ["/usr/bin/node", "/volume/CODE"], 0x7f0728e3a240 /* 7 vars */ <unfinished ...>
13    execve("/bin/cat", ["cat", "-"], 0x7f0728e3a230 /* 7 vars */ <unfinished ...>
14    <... execve resumed>)             = 0
13    <... execve resumed>)             = 0
13    +++ exited with 0 +++
12    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
17    +++ exited with 0 +++
16    +++ exited with 0 +++
19    +++ exited with 0 +++
18    +++ exited with 0 +++
15    +++ exited with 0 +++
20    +++ exited with 0 +++
14    +++ exited with 0 +++
12    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=2, si_stime=2} ---
12    +++ exited with 0 +++