func main()
	var n: int :: cui@inputInt()
	for(1, n)
		var a: int :: cui@inputInt()
		var b: int :: cui@inputInt()
		var offset: int :: 0
		if(a - b = 0)
		elif([a - b, 0].min() = 0)
			do offset :: 1
		else
			do offset :: -1
		end if
		do cui@print("\{'='.offset(offset)}\n")
	end for
end func