#include <bits/stdc++.h>
int main() {
  int s, v1, v2, t1, t2;
  scanf("%d %d %d %d %d", &s, &v1, &v2, &t1, &t2);
  int tt1 = 2 * t1 + v1 * s;
  int tt2 = 2 * t2 + v2 * s;
  if (tt1 > tt2)
    printf("Second");
  else if (tt1 < tt2)
    printf("First");
  else
    printf("Friendship");
}
