import core.bitop;
import std.algorithm;
import std.ascii;
import std.bigint;
import std.conv;
import std.functional;
import std.math;
import std.numeric;
import std.range;
import std.stdio;
import std.string;
import std.random;
import std.typecons;
import std.container;

alias sread = () => readln.chomp();
alias route = Tuple!(long, "From", long, "To");
long bignum = 1_000_000_007;

T lread(T = long)()
{
    return readln.chomp.to!T();
}

T[] aryread(T = long)()
{
    return readln.split.to!(T[])();
}

void scan(TList...)(ref TList Args)
{
    auto line = readln.split();
    foreach (i, T; TList)
    {
        T val = line[i].to!(T);
        Args[i] = val;
    }
}

void main()
{
    long n, x;
    scan(n, x);
    auto a = aryread();
    a.sort();
    long count;
    foreach (e; a)
    {
        if(x < e)
            break;
        
        x -= e;
        count++;
    }

    if(x > 0 && count > 0)
        count--;
    
    count.writeln();
}
