#!/c/Python34/python
# coding: utf-8


def main():
    [n, m] = map(int, input().split())
    C = sorted(map(int, input().split()))

    cnt = 0
    for i in range(n):
        cnt += C[i]
        if cnt > m:
            print(i)
            return

    print(n)
    return

if __name__ == '__main__':
    main()