#include <bits/stdc++.h>
using namespace std;
int main() {
  int s, v1, v2, t1, t2, x, y;
  cin >> s >> v1 >> v2 >> t1 >> t2;
  x = 2 * t1 + s * v1;
  y = 2 * t2 + s * v2;
  if (x < y)
    cout << "First" << endl;
  else if (x > y)
    cout << "Second" << endl;
  else
    cout << "Friendship" << endl;
}
