import java.util.Scanner;

public class Main{

	public static void main(String[] args) {
		Main main=new Main();
		main.run();
	}

	void run() {

		Scanner sc=new Scanner(System.in);

		int N=sc.nextInt();

		if(N==1) {
			System.out.println("square1001");
		}else {
			System.out.println("Petr");
		}
	}
}