#include <bits/stdc++.h>
using namespace std;
int main() {
  long x, y, z, t1, t2, t3;
  long stairs, elevator;
  cin >> x >> y >> z >> t1 >> t2 >> t3;
  stairs = abs(x - y) * t1;
  elevator = abs(z - x) * t2 + abs(y - x) * t2 + 3 * t3;
  if (elevator > stairs)
    cout << "NO";
  else
    cout << "YES";
  return 0;
}
