#include <bits/stdc++.h>
using namespace std;
int main() {
  int first, second, z, t1, t2, t3;
  cin >> first >> second >> z >> t1 >> t2 >> t3;
  int ts = abs(first - second) * t1;
  int te = 3 * t3 + t2 * (abs(z - first) + abs(second - first));
  if (te <= ts) {
    cout << "YES";
  } else
    cout << "NO";
}
