#include <bits/stdc++.h>
int main() {
  int x, y, z, p, r, q;
  scanf("%d%d%d%d%d%d", &x, &y, &z, &p, &q, &r);
  int a, b;
  a = abs(x - y) * p;
  b = 3 * r + abs(x - z) * q + abs(x - y) * q;
  if (a >= b) {
    printf("YES");
  } else {
    printf("NO");
  }
  return 0;
}
