#include <bits/stdc++.h>
using namespace std;
int main() {
  int s, v1, t1, v2, t2;
  cin >> s >> v1 >> v2 >> t1 >> t2;
  if (t1 + t1 + s * v1 > t2 + t2 + s * v2) {
    cout << "Second";
  } else if (t1 + t1 + s * v1 < t2 + t2 + s * v2) {
    cout << "First";
  } else {
    cout << "Friendship";
  }
  return 0;
}
