#include <bits/stdc++.h>
using namespace std;
const int sz = 2e5;
int a[sz];
int main() {
  int x, y, z, t1, t2, t3;
  cin >> x >> y >> z >> t1 >> t2 >> t3;
  int lift = (t2 * abs(z - x));
  lift += (t2 * abs(x - y));
  lift += 3 * (t3);
  int stair = t1 * abs(x - y);
  if (lift <= stair)
    puts("YES");
  else
    puts("NO");
}
