#include <bits/stdc++.h>
using namespace std;
int main() {
  int x1, y1, x2, y2;
  cin >> x1 >> y1 >> x2 >> y2;
  if (x1 <= x2 && y1 <= y2) {
    cout << "Polycarp\n";
  } else {
    int vas = max(x2, y2);
    int pat = x1 + y1;
    if (vas < pat) {
      cout << "Vasiliy\n";
    } else {
      cout << "Polycarp\n";
    }
  }
}
