Imports System.Collections
Imports System.Collections.Generic
Imports System.Linq
Imports System.xml
Imports System.xml.Linq

Module Module1
	public sub main()

		dim SW as string() = Console.ReadLine().split(" ")
    dim A as integer = convert.toint32(SW(0))
    dim B as integer = convert.toint32(SW(1))
    dim C as integer = convert.toint32(SW(2))
    dim D as integer = convert.toint32(SW(3))
    dim takahashi as integer =  (A\D) + iif(A mod D = 0,0,1)
    dim aoki as integer =  (C\B) + iif(C mod B = 0,0,1)
    
    console.writeLine(takahashi)
      console.writeLine(aoki)
    if takahashi >= aoki then 
      console.writeLine("Yes")
    else
      console.writeLine("No")
    end if
    
	end sub 
End Module