$($a$)$ Complete this program, using your own birthday, and the line, datetick,$$title$,$ datestr, and legend functions. Your program should produce something$$like Figure $1\mathrm{.}12.($b$)$ All three cycles started at zero when you were born. How long does it$$take until all three simultaneously return to that initial condition? How old$$were you, or will you be$,$ on that date? Plot your biorhythm near that date.$$You should find the lcm function helpful.$($c$)$ Is it possible for all three cycles to reach their maximum or minimum at$$exactly the same time?