In this problem, the program have to show the first day of the month that given from input. So, program will show the date and month from input.
First, I must find the function that can print pattern of month and date. Then set the day that will fall on, and the number of day in the month
-I must find the function that can print the date in month with calendar pattern.
-I have to create the algorithm that can calculate the frist day of week.