// 1. 用if分支判断
#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n;
    cin >> n;
    if ( n % 3 == 0 && n % 5 == 0 && n % 7 == 0 ) {
        cout << "3 5 7";
    }
    else if ( n % 3 == 0 && n % 5 == 0 ) {
        cout << "3 5";
    }
    else if ( n % 5 == 0 && n % 7 ==0 ) {
        cout << "5 7";
    }
    else if ( n % 3 == 0 && n % 7 == 0) {
        cout << "3 7";
    }
    else if ( n % 3 == 0 ) {
        cout << "3";
    }
    else if ( n % 5 == 0 ) {
        cout << "5";
    }
    else if ( n % 7 == 0 ) {
        cout << "7";
    }
    else {
        cout << "n";
    }
    return 0;
}