#include <bits/stdc++.h>
using namespace std;

using ull = unsigned long long;
using ll = long long;

int main()
{
    ull N;
    cin >> N;

    ll num1 = 1;
    ll num2= 1;
    ll count = num1*num2;

    count *= 2;

    while(count != N && count < N)
    {
        if(num2 < num1)
            ++num2;
        else
            ++num1;
        count = num1*num2*2;
    }

    if(count != N)
        cout << N-1 << ' ' << N-1 << endl;
    else
        cout << 1 + (num1-1) + (num2-1) << ' ' <<  N-1 << endl;

}