#include <iostream>
#include <iterator>
#include <set>

using namespace std;

int main()
{
    int i;
    set<int>::iterator it;
    set<int> mySet;
    set<int> set2;
    set<int> set3;
    set<int> set6;
    set<int> set9;
    for (i = 15; i < 100; i++)
        mySet.insert(i);
    for (it = mySet.begin(); it != mySet.end(); it++)
    {
        if (*it % 2 == 0)
            set2.insert(*it);
        if (*it % 3 == 0)
            set3.insert(*it);
        if (*it % 6 == 0)
            set6.insert(*it);
        if (*it % 9 == 0)
            set9.insert(*it);
    }
    for (it = set2.begin(); it != set2.end(); it++)
           cout << *it << " ";
    cout << endl;
    for (it = set3.begin(); it != set3.end(); it++)
           cout << *it << " ";
    cout << endl;
    for (it = set6.begin(); it != set6.end(); it++)
           cout << *it << " ";
    cout << endl;
    for (it = set9.begin(); it != set9.end(); it++)
           cout << *it << " ";
    cout << endl;
    return 0;
}