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