(Check SSN) Write a program that prompts the user to enter a Social Security number in the format ddd-dd-, where d is a digit. Your program should check whether the input is valid.

Sample Run 1

Enter a SSN: 232-23-5435

232-23-5435 is a valid social security number

Sample Run 2

Enter a SSN: 23-23-5435

23-23-5435 is an invalid social security number

In C++ please

Many free radicals combine to form molecules that do not contain any unpaired electrons. the driving force for the radical–radical combination reaction is the formation of a new electron‑pair bond. consider the chemical equation. n(g)+no(g)⟶nno(g) n(g)+no(g)⟶nno(g) write lewis formulas for the reactant and product species in the chemical equation. include nonbonding electrons. n(g)n(g) select draw rings more erase select draw rings more erase select draw rings more erase n no(g)