#!/usr/bin/perl

use strict;
use warnings;

my ($n, $m) = split / /, <>;
my $c = <>;
chomp $c;

my @array = split / /, $c;
@array = sort @array;
my $total = 0;

for(my $i = 0; $i < $n; $i++) {
	$total += $array[$i];
	if($total == $m) {
		print $i + 1 . "\n";
		last;
	} elsif($total > $m) {
		print "$i\n";
		last;
	}
}

exit;