n, m = io.read("*n", "*n")
t = {}
for i = 1, n do table.insert(t, io.read("*n")) end
table.sort(t)
b, sum = 0, 0
for i = 1, n do
    sum = sum + t[i]
    if(sum <= m) then b = b + 1 end
end
print(b)