a, b, c = map(int, input().split()) s = sorted([a, b, c]) x, y, z = s if x + y <= z: print("No") else: if x == y == z: print("Equilateral Triangle") elif x == y or y == z or x == z: if x **2 + y** 2 == z**2: print("Right Triangle") else: print("Isosceles Triangle") elif x **2 + y** 2 == z**2: print("Right Triangle") else: print("Simple Triangle")