A masala

a=int(input())
n=int(input())
l=list(map(int,input().split()))
s=0
for i in range(len(l)):
 if a<l[i]:
   break
 a-=l[i]
 s+=1
print(s)

B masala

a,b,c = map(int,input().split())
s = min(a,b,c)
if s==a:
   print(s*3)
elif s==b:
   print(s*3+1)
elif s==c:
   print(s*3+2)

C masala

n,m=map(int,input().split())
l=list(map(int,input().split()))
s=m
for i in range(len(l)):
 if m>=l[i]:
   s+=l[i]
 else:
   s-=l[i]
print(s)