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

if D/S <= T:

  print("Yes")

else:

  print("No")
D,T,S = list(map(float,input().split()))

if D/S <= T:

  print("Yes")

else:

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

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

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