Maximum PC

#include <iostream>

using namespace std;

bool leapYear(int);

int main()
{
   int year;
   cout<<"Enter a year ('0' to exit): ";
   cin>>year;
   
   if (leapYear(year))
      cout<<year <<" is a leap year."<<endl;
   else
      cout<<year <<" is not a leap year." <<endl;
   return 0;
   }

bool leapYear(int year)
{
   if (year%4 !=0)
      return false;
   else if (year % 100 !=0)
      return true;
   else if (year%400 !=0)
      return false;
   else
      return true;
}