#include <bits/stdc++.h>
using namespace std;
int main() {
  int first, second, z, t1, t2, t3;
  scanf("%d%d%d%d%d%d", &first, &second, &z, &t1, &t2, &t3);
  if (3 * t3 + abs(first - z) * t2 + abs(first - second) * t2 <=
      abs(first - second) * t1)
    puts("YES");
  else
    puts("NO");
}
