a, v = list(map(int, input().split()))

b, w = list(map(int, input().split()))

t = int(eval(input()))



print(('YES' if abs(b-a) <= (v-w) * t else 'NO'))

A,V=list(map(int,input().split()))

B,W=list(map(int,input().split()))

T=int(eval(input()))

v=V-W

l=abs(A-B)

if l<=v*T:

  print("YES")

else:

  print("NO")

a, v = list(map(int, input().split()))
b, w = list(map(int, input().split()))
t = int(eval(input()))
print(("YES" if abs(b - a) <= (v - w) * t else "NO"))

A, V = list(map(int, input().split()))
B, W = list(map(int, input().split()))
T = int(eval(input()))
v = V - W
l = abs(A - B)
if l <= v * T:
    print("YES")
else:
    print("NO")

-a, v = list(map(int, input().split())) -b, w = list(map(int, input().split())) -t = int(eval(input())) -print(("YES" if abs(b - a) <= (v - w) * t else "NO")) +A, V = list(map(int, input().split())) +B, W = list(map(int, input().split())) +T = int(eval(input())) +v = V - W +l = abs(A - B) +if l <= v * T: +    print("YES") +else: +    print("NO")