#!/usr/bin/env python3
#fileencoding: utf-8

N, M = [int(i) for i in input().strip().split(" ")]
C = sorted([int(i) for i in input().strip().split(" ")])

count = 0
for i in C:
    M -= i
    count += 1
    if M == 0:
        break
    elif M < 0:
        count -= 1
        break
print(count)