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