package contest; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class Q499 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni()*2; int[] a = na(n); for(int i = 0;i < n;i++){ a[i] += 100000; } a = radixSort(a); for(int i = 0;i < n;i++){ a[i] -= 100000; } { int p = n-1; int ct = 0; for(int i = 0;i < n;i++){ while(i < p && a[i] + a[p] >= 0){ p--; } if(i >= p)break; p--; ct++; } out.print(ct + " "); } { int p = 0; int ct = 0; for(int i = n-1;i >= 0;i--){ while(p < i && a[i] + a[p] <= 0){ p++; } if(p >= i)break; p++; ct++; } out.print(ct + " "); } { int[] f = new int[200001]; for(int v : a)f[v+100000]++; int ret = 0; for(int i = 0, j = 200000;i < j;i++,j--){ ret += Math.min(f[i], f[j]); } ret += f[100000]/2; out.println(ret); } } public static int[] radixSort(int[] f) { int[] to = new int[f.length]; { int[] b = new int[65537]; for(int i = 0;i < f.length;i++)b[1+(f[i]&0xffff)]++; for(int i = 1;i <= 65536;i++)b[i]+=b[i-1]; for(int i = 0;i < f.length;i++)to[b[f[i]&0xffff]++] = f[i]; int[] d = f; f = to;to = d; } { int[] b = new int[65537]; for(int i = 0;i < f.length;i++)b[1+(f[i]>>>16)]++; for(int i = 1;i <= 65536;i++)b[i]+=b[i-1]; for(int i = 0;i < f.length;i++)to[b[f[i]>>>16]++] = f[i]; int[] d = f; f = to;to = d; } return f; } void run() throws Exception { is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); long s = System.currentTimeMillis(); solve(); out.flush(); if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); } public static void main(String[] args) throws Exception { new Q499().run(); } private byte[] inbuf = new byte[1024]; private int lenbuf = 0, ptrbuf = 0; private int readByte() { if(lenbuf == -1)throw new InputMismatchException(); if(ptrbuf >= lenbuf){ ptrbuf = 0; try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); } if(lenbuf <= 0)return -1; } return inbuf[ptrbuf++]; } private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; } private double nd() { return Double.parseDouble(ns()); } private char nc() { return (char)skip(); } private String ns() { int b = skip(); StringBuilder sb = new StringBuilder(); while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ') sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } private char[] ns(int n) { char[] buf = new char[n]; int b = skip(), p = 0; while(p < n && !(isSpaceChar(b))){ buf[p++] = (char)b; b = readByte(); } return n == p ? buf : Arrays.copyOf(buf, p); } private char[][] nm(int n, int m) { char[][] map = new char[n][]; for(int i = 0;i < n;i++)map[i] = ns(m); return map; } private int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private int ni() { int num = 0, b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private long nl() { long num = 0; int b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); } }