#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
typedef long long int ll;

int main(){
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	int n; cin >> n;
	if(n%2){
		cout << "square1001" << endl;
	}
	else{
		cout << "Petr" << endl;
	}
}