n,m = map(int,input().split())
boxes = list(map(int,input().split()))
boxes.sort()

for j in range(len(boxes)):
    
    if boxes[j] != 0 and boxes[j] <= m:
        m -= boxes[j]
        boxes[j]=0

    if boxes[j] != 0 and boxes[j] >= m:
        boxes[j] -= m
        m=0


print(boxes.count(0))