implicit none
integer(8) i,l,n,m,e,f
integer(8),allocatable :: c(:)
integer(8),allocatable :: d(:)
read(*,*) n,m
allocate (c(n))
allocate (d(1:n))
c=0
d=0
e=0
f=0
read(*,*) (C(l),l=1,n)
do i=1,n
    d(i)=maxval(c)
    c(maxloc(c))=0
end do

do while (m>e)
    e=e+d(n)
    n=n-1
    f=f+1
end do

if (e==m) then
    write(*,*) f
else
    write(*,*) f-1
end if
end