#include <bits/stdc++.h>
int main() {
  int s, v1, v2, t1, t2, tm1, tm2;
  scanf("%d", &s);
  scanf("%d", &v1);
  scanf("%d", &v2);
  scanf("%d", &t1);
  scanf("%d", &t2);
  tm1 = s * v1 + 2 * t1;
  tm2 = s * v2 + 2 * t2;
  if (tm1 < tm2)
    printf("First");
  else if (tm2 < tm1)
    printf("Second");
  else
    printf("Friendship");
}
