#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
int gcd(int a,int b){return b?gcd(b,a%b):a;}

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int n;
    cin >> n;
    if (n>1) cout << "Petr" << endl;
    else cout << "square1001" << endl;
    return 0;
}