#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int x(0), y(0), z(0), t1(0), t2(0), t3(0);
  cin >> x >> y >> z >> t1 >> t2 >> t3;
  int X = abs(x - y) * t1;
  int Y = (abs(x - z) * t2) + (abs(x - y) * t2) + 3 * t3;
  if (X < Y) {
    cout << "NO" << endl;
  } else {
    cout << "YES" << endl;
  }
  return 0;
}
