grass, 4 bytes

Result

WA

Code [DL]

test

stdin

3896191362033568646619474412159523088384870586969788532048514269923395077837056148171964399144553841

stdout

stderr

/home/esolang/interpreters/grass.rb:52:in `char_code': not a char (Grass::RuntimeError)
	from /home/esolang/interpreters/grass.rb:132:in `app'
	from /home/esolang/interpreters/grass.rb:71:in `eval'
	from /home/esolang/interpreters/grass.rb:152:in `eval'
	from /home/esolang/interpreters/grass.rb:169:in `start'
	from /home/esolang/interpreters/grass.rb:191:in `run'
	from /home/esolang/interpreters/grass.rb:198

strace