// #define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define rep(i, n) for (int i = 0; i < n; ++i)
#define REP(i, n) for (int i = 0; i < n; ++i)
#define range(i,a,b) ((a)<=(i) && (i)<(b))
#define debug(x) cout << #x << ' ' << '=' << ' ' << (x) << endl;
#define fs first
#define sc second
#define pb push_back
#define eb emplace_back
typedef long long ll;
typedef pair<ll, ll> P;
typedef tuple<ll, ll, ll> T;
typedef vector<ll> vec;
typedef vector<P> pvec;
typedef vector<vector<ll>> vvec;
typedef vector<vector<P>> pvvec;
typedef priority_queue<ll> PQI;
typedef priority_queue<P> PQP;
typedef priority_queue<ll,vector<ll>,greater<ll>> PQIG;
typedef priority_queue<P,vector<P>,greater<P>> PQPG;
const vector<int> dx = {0, -1, 0, 1, 1, 1, -1, -1};
const vector<int> dy = {1, 0, -1, 0, 1, -1, 1, -1};
const int MOD = (1000000007);
// const int MOD = (998244353);
// const int INF = (1 << 30);
const int INF = (1LL << 60);
const double EPS = (1 >> 30);
template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b; return 1;} return 0;}
template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b; return 1;} return 0;}

int divi(const int n){
  vector<int> ret;
  for(int i=1;i*i<=n;i++){
    if(n % i == 0){
      ret.push_back(i);
      if(i*i!= n) ret.push_back(n/i);
    }
  }
  sort(ret.begin(),ret.end());
  return ret.size();
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << fixed << setprecision(15);
    //---------------------------------------------
    
    int x;
    cin>>x;
    vector<T> c;
    for(int i=max((int)(sqrt(x))-100000,0LL);i<=sqrt(x)+100000;i++){
        int a=divi(i);
        int b=divi(x-i);
        if(range(i,0,x)&&range(x-i,0,x)){
            c.pb(T(abs(i-(x-i)-a+b),i,x-i));
        }
    }
    sort(all(c));
    rep(i,10000){
        int f,g,h;
        tie(f,g,h)=c[i];
        cout<<g<<" "<<h<<endl;
        if(get<0>(c[i])!=get<0>(c[i+1])) break;
    }
    
}