write the program for calander

#include <stdio.h>
#include<conio.h>
void main()
{
      int a,month, days;
      clrscr();
          printf("Enter the number");
          scanf("%d",&days);
     month=days/30;
     days= days%30;
          printf("month=%d days=%d\n",month,days);
    getch();
}


Download the Program from Here