n=int(input())
b=[]
a=list(map(int, input().split()))
k=0
for i in range(n):
if a[i]<0:
k+=1
b.append(a[i])
c=str(b)
if k==0:
print(k)
else:
print(c)
bj1pbnQoaW5wdXQoKSkKYj1bXQphPWxpc3QobWFwKGludCwgaW5wdXQoKS5zcGxpdCgpKSkKaz0wCmZvciBpIGluIHJhbmdlKG4pOgoJaWYgYVtpXTwwOgoJCWsrPTEKCQliLmFwcGVuZChhW2ldKQpjPXN0cihiKQppZiBrPT0wOgoJcHJpbnQoaykKZWxzZToKCXByaW50KGMp