#include <bits/stdc++.h>
using namespace std;
int main() {
  int s, v1, v2, t1, t2;
  while (cin >> s >> v1 >> v2 >> t1 >> t2) {
    int sum1, sum2;
    sum1 = s * v1 + 2 * t1;
    sum2 = s * v2 + 2 * t2;
    if (sum1 < sum2)
      cout << "First" << endl;
    else if (sum1 > sum2)
      cout << "Second" << endl;
    else
      cout << "Friendship" << endl;
  }
}
