#include<iostream>
#include<string>
#include<algorithm>
#include<cctype>
#include<set>
#include<bitset>
#include<math.h>
#include<map>
#include<queue>
#include<iomanip>
using namespace std;

int main(){
    int n;
    cin >> n;
    cout << ((n == 1) ? "square001" : "Petr") << endl;    
}