program sample
    implicit none
  
    integer(8) :: i,j,m,n,a,b,c,k
    integer(8),allocatable :: x(:),y(:)
  
    read(*,*) a,b,c
    read(*,*)k
    do i=1,k
        if(a>=b)then
            b=b*2
            cycle
        else if(b>=c)then
            c=c*2
            cycle
        end if
    end do
    if(a<b .and. b<c)then
        write(*,*)'Yes'
    else
        write(*,*)'No'
    end if
  
    stop
end program sample
  

