import java.util.*;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        System.out.println(getWinnerName(n));
    }
    
    static String getWinnerName(int n) {
        String First = "Petr";
        String Second = "square1001";
        if(n == 1) return Second;
        return First;
    }
}