ruby, 60 bytes

Result

WA

Duration

1178ms

Code [DL]

$><<gets.chars.map{|i| (('A'..'Z').include? i)&&1||0}.join()

stdin

AbcdEfGhIJkLmnoPqrStUVWxyz

stdout

100010101101000100101110000

stderr

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffe2949e4e0 /* 9 vars */) = 0
12    execve("/usr/local/ruby-2.7.1/bin/ruby", ["/usr/local/ruby-2.7.1/bin/ruby", "/volume/CODE"], 0x560d023c1d60 /* 9 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x560d023c1d40 /* 9 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=6, si_stime=2} ---
10    +++ exited with 0 +++