a, b, c = input().split() a, b, c = int(a), int(b), int(c) da = max(a, b, c) if (a + b + c - da) > da: if a == b == c: print("Equilateral Triangle") elif a == b or a == c or b == c: print("Isosceles Triangle") elif a**2 + b**2 == c**2 or a**2 + c**2 == b**2 or b**2 + c**2 == a**2: print("Right Triangle") else: print("Simple Triangle") else: print("No")