import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class test {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String line = reader.readLine();
if (line == null) {
System.out.println("Input error.");
System.exit(-1);
}

int year = Integer.parseInt(line);
if ( (year % 4 == 0 && year % 100 != 0) || year % 400 == 0)
System.out.println("閏年");
else
System.out.println("平年");
}
}