Implement a c++ program to create a class called ConsDemo and overload SumDemo () function. SumDemo (int, char)If passing character is 'p' then print square of passing number otherwise cube of a number SumDemo (int, int, char)If passing character is 'a' then print addition of numbers otherwise print Ascii value of a passing character. SumDemo (string, string)->Check whether passing strings are equal or not.