#include <bits/stdc++.h>
using namespace std;
long long x, y, z, t1, t2, t3;
int main() {
  scanf("%lld%lld%lld%lld%lld%lld", &x, &y, &z, &t1, &t2, &t3);
  puts(abs(x - y) * t1 >= abs(x - y) * t2 + abs(x - z) * t2 + 3 * t3 ? "YES"
                                                                     : "NO");
  return 0;
}
