#!/usr/bin/env python
#coding:utf8

def read():
    N, M = map(int, raw_input().split())
    cList = map(int, raw_input().split())
    return M, cList


def work((M, cList)):
    ans = 0
    
    for C in sorted(cList):
        if C <= M:
            M -= C
            ans += 1
        else:
            break

    print ans


if __name__ == "__main__":
    work(read())