#include <iostream>

using namespace std;

int main()
{
    int year=0;
    while(cin >> year){
        if( ( year%4 != 0  || year%100 ==0 )&& year%400 != 0){  
            cout << "平年" << endl;
        }else {
            cout << "閏年" << endl;
        }
    }
    return 0;
}