import java.util.*;
import java.lang.*;
import java.io.*;
class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		if(n == 1) {
			System.out.println("square1001");
		}
		else {
			System.out.println("Petr");
		}
	}
}