L = raw_input()
N = raw_input()
W = raw_input()
W_array = W.split()
W_array.sort()

flag = 0
i = 0
box_num =0
while flag == 0:
	W_sum +=W_array[i]
	if W_sum > N:
		break
	else:
		box_num +=1
		i +=1

print  box_num