n_num = int(input())

for numer in range(n_num):
	reader_s = input()
	reader_li=reader_s.split(" ")
	light_num = int(reader_li[0])
	right_num = int(reader_li[1])
	
	if light_num==right_num:
		print("=")
	else:
		if light_num>right_num:
			print(">")
		elif light_num<right_num:
			print("<")