#include <iostream>
#include <set>
using namespace std;

int main()
{
    multiset<int> ms1;
    multiset<int> ms2 = {5, 3, 3, 1};
    for (int i : ms2)
        cout << i << " ";
    cout << endl;

    for(multiset<int>::iterator it = ms2.begin(); it != ms2.end(); it++){
        cout<<*it<< " ";
    }

    return 0;
}