D,T,S = list(map(int,input().split()))

if D/S>T:

  print("No")

else:

  print("Yes")
d,t,s = list(map(int,input().split()))

if d/s>t:

  print("No")

else:

  print("Yes")
D, T, S = list(map(int, input().split()))
if D / S > T:
    print("No")
else:
    print("Yes")

d, t, s = list(map(int, input().split()))
if d / s > t:
    print("No")
else:
    print("Yes")

-D, T, S = list(map(int, input().split())) -if D / S > T: +d, t, s = list(map(int, input().split())) +if d / s > t: