N,A=int(input()),list(map(int,input().split()));l,r,m=0,2*N-1,A.count(0)//2;A.sort() while l0: if abs(A[l])==A[r]:m+=1;l+=1;r-=1 elif abs(A[l])>A[r]:l+=1 else:r-=1 l,r,w=0,2*N-1,0 while l=0:r-=1 else:d+=1;l+=1;r-=1 print(d,w,m)