#include <bits/stdc++.h>
using namespace std;
int main() {
  int x, y, z, q, w, e;
  cin >> x >> y >> z >> q >> w >> e;
  int leg = 0;
  int el = 0;
  leg = abs(x - y) * q;
  el = 3 * e + abs(x - z) * w + abs(y - x) * w;
  if (el <= leg) {
    cout << "YES";
  } else {
    cout << "NO";
  }
}
