this is c++

WORK AREA CHAPTER 3, Exercise **3.16 (Compute the perimeter of a triangle) 3.16 Write a program that reads the lengths of three edges of a triangle and If the Input is valid, outputs the perlmeter of the triangle. Otherwise, It outputs a message "Invalld Input" The Input is valld if the sum of every pair of two edges is greater than the remaining edge. SAMPLE RUN #1: . /perimeter interactive session Hide Invisibles Highlight: None Show Highlighted Only Enter the three edges of.a triangle:3.4.Se The perimeter of the-triangle.is-12- 1 of 1: Mon Sep 17 2018 09:22:32 GMT-0700 (Pacific Daylight Time) SUBMIT 1 Type your solution here