program sample
	implicit none
    integer :: i,j,k,l,m
    integer(8) :: x,y,z
    real(8) :: a(4),b(4)
    
    read(*,*) x,y,z
    
    if (x<=z .and. z<=y) then
    	write(*,*) 'Yes'
    else
    	write(*,*) 'No'
    end if
    stop
end program sample