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