#include <bits/stdc++.h>
using namespace std;
int main() {
  int you, he, now, ladder, lift, doors, l1, l2;
  cin >> you >> he >> now >> ladder >> lift >> doors;
  l1 = abs(he - you) * ladder;
  l2 = abs(now - you) * lift + 3 * doors + abs(he - you) * lift;
  if (l1 >= l2)
    cout << "YES";
  else
    cout << "NO";
  return 0;
}
