brainfuck, 96 bytes

Result

WA

Code [DL]

->
,
+[-[[>+<-]>-]>+
+[-<+]
->,+]

+++++[-<++++++++++>]<++++++++
[>>[-<.>]<[->+<]>+
<<[->+<]>-]

stdin

3896764769972617444272304553303208267605287908356498277853370708374980394685245111744759704270521932

stdout

23

stderr

strace