#include <bits/stdc++.h>
using namespace std;
long long x, y, z, t1, t2, t3, ans1, ans2;
int main() {
  cin >> x >> y >> z >> t1 >> t2 >> t3;
  ans1 = abs(x - z) * t2 + 3 * t3 + abs(x - y) * t2;
  ans2 = abs(x - y) * t1;
  if (ans1 <= ans2)
    cout << "YES";
  else
    cout << "NO";
}
