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

void print_pfs(int n) {
    for (int i = 2; i * i <= n; i++) {
        while (n % i == 0) {
            cout << i << '\n';
            n /= i;
        }
    }
}

int main() {
    int n;
    cin >> n;
    print_pfs(n);
    return 0;
}