#include <iostream>
using namespace std;
int main()
{
int year = 2016;
if (year % 400 == 0)
cout << year << " is a leap year" << endl;
else if (year % 100 == 0)
cout << year << " is not a leap year" << endl;
else if (year % 4 == 0)
cout << year << " is a leap year" << endl;
else
cout << year << " is not a leap year" << endl;
return 0;
}
/*
run:
2016 is a leap year
*/