#include <bits/stdc++.h>   using namespace std;   const int N = 252;   int dis(int x1, int y1, int x2, int y2) { return abs(x1 - x2) + abs(y1 - y2); }   bool Gao(int x1, int y1, int x2, int y2) {     if (dis(0, 0, x1, y1) <= max(x2, y2)) return true;     for (int i = 1; i <= min(x2, y2); ++i) {       if (dis(x2 - i, y2 - i, x1, y1) <= i) return true;     }     return false;   }   int main() {     int x1, x2, y1, y2;     while (cin >> x1 >> y1 >> x2 >> y2) {       if (Gao(x1, y1, x2, y2))         cout <<  Polycarp  << endl;       else         cout <<  Vasiliy  << endl;     }     return 0;   }   