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