a,v=map(int,input().split())
b,w=map(int,input().split())
t=int(input())
if w-v==0:
    if a!=b:
        print("NO")
    else:
        print("YES")
elif -t<=abs(a-b)//(w-v)<=0:
    print("YES")
else:
    print("NO")
8cd59770f9efab439a25d67ce330e81f132f394c
<mask token>

<mask token>
if w - v == 0:
    if a != b:
        print('NO')
    else:
        print('YES')
elif -t <= abs(a - b) // (w - v) <= 0:
    print('YES')
else:
    print('NO')

a, v = map(int, input().split())
b, w = map(int, input().split())
t = int(input())
if w - v == 0:
    if a != b:
        print('NO')
    else:
        print('YES')
elif -t <= abs(a - b) // (w - v) <= 0:
    print('YES')
else:
    print('NO')

a,v=map(int,input().split())
b,w=map(int,input().split())
t=int(input())
if w-v==0:
    if a!=b:
        print("NO")
    else:
        print("YES")
elif -t<=abs(a-b)//(w-v)<=0:
    print("YES")
else:
    print("NO")