package contest200306; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.InputMismatchException; import java.util.List; public class D { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int X = ni(); int[] lpf = enumLowestPrimeFactors(X+1); int[] ds = enumNumDivisorsFast(X, lpf); List ans = new ArrayList<>(); int min = 999999999; for(int i = 1;i <= X-1;i++) { int j = X-i; int vi = i - ds[i]; int vj = j - ds[j]; if(Math.abs(vi-vj) < min) { min = Math.abs(vi-vj); ans.clear(); ans.add(i); }else if(Math.abs(vi-vj) == min) { ans.add(i); } } for(int u : ans) { out.println(u + " " + (X-u)); } } public static int[] enumNumDivisorsFast(int n, int[] lpf) { int[] nd = new int[n+1]; nd[1] = 1; for(int i = 2;i <= n;i++){ int j = i, e = 0; while(j % lpf[i] == 0){ j /= lpf[i]; e++; } nd[i] = nd[j] * (e+1); } return nd; } public static int[] enumLowestPrimeFactors(int n) { int tot = 0; int[] lpf = new int[n + 1]; int u = n + 32; double lu = Math.log(u); int[] primes = new int[(int) (u / lu + u / lu / lu * 1.5)]; for (int i = 2; i <= n; i++) lpf[i] = i; for (int p = 2; p <= n; p++) { if (lpf[p] == p) primes[tot++] = p; int tmp; for (int i = 0; i < tot && primes[i] <= lpf[p] && (tmp = primes[i] * p) <= n; i++) { lpf[tmp] = primes[i]; } } return lpf; } 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"); // Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){ // @Override // public void run() { // long s = System.currentTimeMillis(); // solve(); // out.flush(); // if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // } // }; // t.start(); // t.join(); } public static void main(String[] args) throws Exception { new D().run(); } private byte[] inbuf = new byte[1024]; public 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 int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private long[] nal(int n) { long[] a = new long[n]; for(int i = 0;i < n;i++)a[i] = nl(); return a; } 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[][] nmi(int n, int m) { int[][] map = new int[n][]; for(int i = 0;i < n;i++)map[i] = na(m); return map; } private int ni() { return (int)nl(); } 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)); } }