#include<stdio.h>
int leap(int *year)
{
int l=0;
if(((*year%4==0)&&(*year%100!=0))||(*year%400==0))
return 1;
else
return 0;
}
int main()
{
int year=0;
int l=0;
printf("please enter the year>");
scanf("%d",&year);
l=leap(&year);
if(l==1)
printf("%d is leap year!\n",year);
else
printf("%d is not leap year!\n",year);
return 0;
}