N, M = map(int, input().split())
C = list(map(int, input().split()))

l = len(C)

while(M > 0):
    min_c = 100000
    for i in range(l):
        if (C[i] < min_c and C[i] != 0):
            min_c = C[i]
            min_c_loc = i

    M -= C[min_c_loc]

    if (M >= 0):
        C[min_c_loc] = 0

empty_box = 0

for c in C:
    if (c == 0):
        empty_box += 1
    
print(empty_box)