Submission #824824

---

Source Code Expand

#!/bin/sh
read a b
n=0
if [ "${a::1}" = "-" -a  "${b::1}" != "-" ]
then
	echo Zero
elif [ "${a::1}" = "-" -a  "${b::1}" = "-" ]
then
	for i in `seq ${b/?/} ${a/?/}`
	do
		n=$(( n + 1 ))
	done
	[[ $(( n % 2 )) -eq 0 ]] && echo Positive
	[[ $(( n % 2 )) -eq 1 ]] && echo Negative
else
	echo Positive
fi

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