#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int a, b, c, d, e, f = 0;
  cin >> a >> b >> c >> d >> e >> f;
  long long int g = 0;
  long long int h = 0;
  g = abs(b - a) * d;
  h = (abs(b - a) + abs(a - c)) * e + 3 * f;
  if (g < h)
    cout << "NO" << endl;
  else
    cout << "YES" << endl;
  return 0;
}
