a,b,c=map(int,input().split()) zuida=max(a,b,c) if a+b+c>2*zuida: 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")