import strutils, sequtils, algorithm, math

var
  nm = split(readLine(stdin), ' ').map(parseInt)
  c_seq = split(readLine(stdin), ' ').map(parseInt)
  count = 0

c_seq.sort(cmp[int])

for i, c in c_seq:
  count += c
  if count > nm[1]:
    echo(i)
    break
  if count == nm[1]:
    echo(i + 1)
    break