a,v,b,w,t=list(map(int,open(0).read().split()))

print((['NO','YES'][abs(b-a)<=(v-w)*t]))
a,v,b,w,t=list(map(int,open(0).read().split()))

print(('YNEOS'[abs(b-a)>(v-w)*t::2]))
a, v, b, w, t = list(map(int, open(0).read().split()))
print((["NO", "YES"][abs(b - a) <= (v - w) * t]))

a, v, b, w, t = list(map(int, open(0).read().split()))
print(("YNEOS"[abs(b - a) > (v - w) * t :: 2]))

-print((["NO", "YES"][abs(b - a) <= (v - w) * t])) +print(("YNEOS"[abs(b - a) > (v - w) * t :: 2]))