l=int(input())  #size of big box
n=int(input())  #brock
w=list(map(int,input().split())) #brock widths
w.sort()
wsum =0
counter=0

print(w)

for i in w:
    wsum +=i 
    counter += 1
    if wsum > l:
        counter -= 1
    
print(counter)