#include using namespace std; typedef long long signed int LL; typedef long long unsigned int LU; #define incID(i, l, r) for(int i = (l) ; i < (r); i++) #define incII(i, l, r) for(int i = (l) ; i <= (r); i++) #define decID(i, l, r) for(int i = (r) - 1; i >= (l); i--) #define decII(i, l, r) for(int i = (r) ; i >= (l); i--) #define inc(i, n) incID(i, 0, n) #define inc1(i, n) incII(i, 1, n) #define dec(i, n) decID(i, 0, n) #define dec1(i, n) decII(i, 1, n) #define inII(v, l, r) ((l) <= (v) && (v) <= (r)) #define inID(v, l, r) ((l) <= (v) && (v) < (r)) #define PB push_back #define EB emplace_back #define MP make_pair #define FI first #define SE second #define UB upper_bound #define LB lower_bound #define PQ priority_queue #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() #define FOR(it, v) for(auto it = v.begin(); it != v.end(); ++it) #define RFOR(it, v) for(auto it = v.rbegin(); it != v.rend(); ++it) template bool setmin(T & a, T b) { if(b < a) { a = b; return true; } else { return false; } } template bool setmax(T & a, T b) { if(b > a) { a = b; return true; } else { return false; } } template bool setmineq(T & a, T b) { if(b <= a) { a = b; return true; } else { return false; } } template bool setmaxeq(T & a, T b) { if(b >= a) { a = b; return true; } else { return false; } } template T gcd(T a, T b) { return (b == 0 ? a : gcd(b, a % b)); } template T lcm(T a, T b) { return a / gcd(a, b) * b; } // ---- ---- int n, a[200000], b[200001], Z = 100000; int f() { // + 同士を合成するパターンが抜けてる inc(i, 200001) { b[i] = 0; } inc(i, n) { b[Z + a[i]]++; } int c = 0, p = 1, r = 0; inc(i, 100001) { while(p <= i) { r += b[Z + p]; p++; } while(p <= 100000 && b[Z - i] != 0) { int m = min(b[Z - i], b[Z + p]); b[Z - i] -= m; b[Z + p] -= m; c += m; p++; } } return c + (r / 2); } int main() { cin >> n; n *= 2; inc(i, n) { cin >> a[i]; } int m = 0; inc(i, n) { b[Z + a[i]]++; } inc(i, 100001) { m += min(b[Z + i], b[Z - i]); } int w = f(); inc(i, n) { a[i] *= -1; } int d = f(); printf("%d %d %d\n", d, w, m); return 0; }