#include <bits/stdc++.h>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;
typedef unsigned long long ull;

int memo[2000005];

int main(){

  REP(i,1,2000005){
    int j = i;
    while(j<2000005){
      memo[j]++;
      j+=i;
    }
  }

  int X;
  cin >> X;

  int val = 1 << 30;
  vector<pair<int,int>> v;
  
  REP(i,1,X){
    int A = i;
    int B = X - A;

    int fA = A - memo[A];
    int fB = B - memo[B];
    int diff = abs(fA-fB);

    if(val == diff){
      v.emplace_back(A,B);
    }
    else if(val > diff){
      val = diff;
      v.clear();
      v.emplace_back(A,B);
    }
  }

  rep(i,v.size()){
    cout << v[i].first << " " << v[i].second << endl;
  }
  
  return 0;
}