def checkOperatorPrecedence(a,b):
	"""
	0 if a's precedence is more than b operator
	1 otherwise
	"""
	check={}
	check['(']=1
	check['*']=2
	check['/']=2
	check['-']=3
	check['+']=3
	if check[a] <= check[b]:
		return 1
	else:
		return 0