[local]1[/local]

#include<stdio.h>
int  main()
{
    int leap,year;
    printf("please enter a year\n");
    scanf("%d",year);
    if(year%4==0)
    {
        if(year%100==0)
        {
            if(year%400==0)
            {
                leap=1;
                else leap=0;
            }
            else
            leap=1;
        }
        else
        leap=0;
    }
    if(leap)
    {
    printf("闰");
    else
    printf("ping")
    }
    return 0;
}