int isLeapYear(int year)
{
if((year%4==0&&year%100!=0)||(year%400==0))
return 1;
else
return 0;
}
int main()
{
int year=0;
for(year=1000;year<=2000;year++)
{
if(isLeapYear(year)==1)
{
printf("%d ",year);
}
}
return 0;
}