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