L = input('Block size')
L = int(L)
N = -1
W = input().split(' ')
total = 0
while L > total:
    min_math = min(W)
    total = total + int(min_math)
    W.remove(min(W))
    N = N + 1
    print(total)
if L == total:
    N = N + 1
print(N)