C++ language

Consider the following specification for a program.

The triangle program accepts three integers, a, b, and c, as input. These are taken to be sides of a triangle. The output of the program is the type of triangle determined by the thee sides: Equilateral, Isosceles, Scalene, or NotATriangle.

The input integers must satisfy the following conditions:

c1. 1 a 200 c4. a < b + c

c2. 1 b 200 c5. b < a + c

c3. 1 c 200 c6. c < a + b

The output of the program is the type of triangle determined by the three sides: Equilateral, Isosceles, Scalene, or not a triangle. If an input value fails any of conditions c1, c2, or c3, the program notes this with an output message, for example, Value of b is not in the range of permitted values. If values of a, b, and c satisfy conditions c4, c5, and c6, one of four mutually exclusive outputs is given:

1. If all three sides are equal, the program output is Equilateral.
2. If exactly one pair of sides is equal, the program output is Isosceles.
3. If no pair of sides is equal, the program output is Scalene.
4. If any of conditions c4, c5, and c6 is not met, the program output is Not A Triangle.