program CALANDER(input,output);

uses crt;

var
space: integer;
i : integer;
month : integer;
fmonth: string;
MonthA : Array[0..11] of string;
DayA   : Array[0..6] of string;
MonthC : Array[0..11] of integer;
day : integer;
fday : string;
DayF : Array[0..6] of integer;
firstday : string;
firstdate : integer;
daymod : integer;
date : integer;
a : integer;
monthtotal: integer;

begin

{ARRAY list that used in program}
{START}
MonthA[0] := 'January';
MonthA[1] := 'February';
MonthA[2] := 'March';
MonthA[3] := 'April';
MonthA[4] := 'May';
MonthA[5] := 'June';
MonthA[6] := 'July';
MonthA[7] := 'Auguest';
MonthA[8] := 'September';
MonthA[9] := 'October';
MonthA[10] := 'November';
MonthA[11] := 'December';

DayA[0] := 'Sunday';
DayA[1] := 'Monday';
DayA[2] := 'Tuesday';
DayA[3] := 'Wednesday';
DayA[4] := 'Thursday';
DayA[5] := 'Friday';
DayA[6] := 'Saturday';

DayF[0] := 0;
DayF[1] := 5;
DayF[2] := 5;
DayF[3] := 5;
DayF[4] := 5;
DayF[5] := 5;
DayF[6] := 5;

MonthC[0] := 31;
MonthC[1] := 28;
MonthC[2] := 31;
MonthC[3] := 30;
MonthC[4] := 31;
MonthC[5] := 30;
MonthC[6] := 31;
MonthC[7] := 31;
MonthC[8] := 30;
MonthC[9] := 31;
MonthC[10] := 30;
MonthC[11] := 31;
{END}

clrscr;
writeln('Enter the current MONTH code from the following list');

{Loop for the Month codes display}
{START}
for i := 0 to 11 do
    begin
        writeln(i,' => ',MonthA[i]);
    end;
{END}

writeln('');
writeln('Please enter the MONTH code between 0 to 11');
readln(month);            {Get current month from user}
writeln('');


{Error handeling for getting current month rom user}
{START}
if (month < 0)  OR (month >= 12)
   then
       begin
            repeat
                  writeln('Please enter the MONTH code between 0 to 11');
                  readln(month);
            until ((month >= 0) AND (month <= 11));
            fmonth := MonthA[month];
            writeln(fmonth);
       end
else
    begin
         if ((month >= 0) AND (month <= 11))
            then
                begin
                      fmonth := MonthA[month];
                      writeln(fmonth);
            end
          else
              writeln('Please Enter Valid Charactor');
    end;
{END}


monthtotal:=MonthC[month];



clrscr;
writeln('Please enter month''s First Day from codelist');


{Loop for the Day codes display}
{START}
for i := 0 to 6 do
    begin
        writeln(i,' => ',DayA[i]);
    end;
{END}

writeln('');
writeln('Please enter month''s First Day from codelist');

readln(day);            {Get current month from user}
writeln('');

{Error handeling for getting current day from user}
{START}
if (day < 0)  OR (day >= 7)
   then
       begin
            repeat
                  writeln('Please enter month''s First Day from codelist');

                  readln(day);
            until ((day >= 0) AND (day <= 6));
            fday := DayA[day];
            writeln(fday);
       end
else
    begin
         if ((day >= 0) AND (day <= 6))
            then
                begin
                      fday := DayA[day];
                      writeln(fday);
            end
          else
              writeln('Please Enter Valid Charactor');
    end;

{END}


 firstdate:=1;






clrscr;


writeln('                  Calander 2009');
writeln('                     ',fmonth,'');
writeln('');
writeln('    Sun   Mon   Tue   Wed   Thu   Fri   Sat');
writeln('');
if(DayF[day]=0)
    then
        begin
             space:=0;
        end
else if(DayF[day]=1)
    then
        begin
             space:=4;
        end
else if(DayF[day]=2)
    then
        begin
             space:=9;
        end
else if(DayF[day]=3)
    then
        begin
             space:=14;
        end
else if(DayF[day]=4)
    then
        begin
             space:=19;
        end
else if(DayF[day]=5)
    then
        begin
             space:=24;
        end
else if(DayF[day]=6)
    then
        begin
             space:=29;
        end
else
    begin
         writeln('error');
    end;

write('':space);
for date:=1 to  monthtotal do
    begin

         write(date:6);

         day:=day+1;
         if(day>6)
            then
                begin
                     day:=0;
                     writeln('');
                end;
    end;



readln;
end.