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Time Limit: 1.0 s

Memory Limit: 256.0 MB

Description

Given three sides determine whether a triangle can be formed or not.
If a triangle can be formed then, determine the type of triangle.

Types of Triangles:

• Length of all sides different, "Scalene".
• Length of two side is equal, "Isosceles".
• Length of all sides is equal, "Equilateral".

Input

• You will be given three integers, A, B, C. Denoting length of three sides.

Constraints

1 <= A, B, C <= 100

Output

• If no triangle can be formed, then print "Not a triangle".

• If Scalene triangle can be formed, then print "Scalene".

• If Isosceles triangle can be formed, then print "Isosceles".

• If Equilateral triangle can be formed, then print "Equilateral".

Sample

3 4 5

Scalene

4 4 3

Isosceles

4 4 4

Equilateral

4 8 16

Not a triangle