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