gistfile1.txt

#include<stdio.h>
#include<string.h>
struct cl
{
    int day, month, year;
};

struct cl date;

void input()
{
    scanf("%d %d %d", &date.day, &date.month, &date.year);
}
void main()
{
    char months[12][10] = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};
    input();

    if(date.day<=30)
    {
        if(date.month==2 && date.day==29)
        {
            if((date.year%400==0)||(date.year%100!=0 && date.year%4==0))
            {
                printf("%s %d, %d", months[date.month-1], date.day, date.year);
            }
            else
            {
                printf("%d, %d, %d-%d is not leap year", date.day, date.month, date.year, date.year);
            }
        }
        else
            printf("%s %d, %d", months[date.month-1], date.day, date.year);
    }
    else if(date.day==31 && (date.month==1 || date.month==3 || date.month==5 || date.month==7 || date.month==8 || date.month==10 || date.month==12))
        printf("%s %d, %d", months[date.month-1], date.day, date.year);
    else
        printf("%d, %d, %d-%s has only 30 days", date.day, date.month, date.year, months[date.month-1]);
}