# A program that checks whether a sequence of numbers
# a, b, and c input by the user satisfy the equation
# a^2 + b^2 = c^2

a = eval(input("Enter the shortest side: "))
b = eval(input("Enter the next shortest: "))
c = eval(input("Enter the longest side: "))

if (a**2 + b**2) == c**2:
	print("Right triangle") 	# a^2 + b^2 == c^2
else:
	print("Oblique triangle")	#a^2 + b^2 != c^2