#include <bits/stdc++.h>
using namespace std;
using ll = long long;
// SourceTest用出力マクロ
#ifdef SOURCE_TEST
#define SPR(x) PR(x)
#define SPS(x) PS(x)
#define STRACE(var) cout << #var << "=" << var << endl;
#define SMAPTRACE(var)  \
    cout << #var << "=" \
         << "{" << var.first << "," << var.second << "}" << endl;
#else
#define SPR(x) \
    {}
#define SPS(x) \
    {}
#define STRACE(var) \
    {}
#define SMAPTRACE(var) \
    {}
#endif
int main() {
    ll N;
    cin >> N;
    ll A = 2;
    ll B = N - A;
    cout << A << " " << B << endl;
    return 0;
}