import sequtils,strutils,math,algorithm
var
    N,M : int
    cnt : int
(N, M) = stdin.readline.split.map(parseInt)
var C = stdin.readline.split.map(parseInt)
C.sort(system.cmp)
for c in C:
    M -= c
    if M >= 0:
        cnt += 1
    else:
        break
echo cnt