Write a program to enter a number from the keyboard, and If the entered number is positive, calculate the perimeter of a cuboid. else, calculate the total surface area of a cuboid, Note-Perimeter-4(1 + b + h), Total surface area 2(1b+bh+hl). (All the inputs should be entered from keyboard). (4 Marks) ii) Draw the flowchart for the whole program. (2 Marks)