#include <iostream>
#include <map>
#include <cstddef>

using namespace std;

int main()
{
    multimap<size_t, size_t> mm;
    for(size_t i=1; i!=10; ++i)
        mm[i]=i*i;
    for(map<size_t, size_t>::reverse_iterator rit=mm.rbegin();
        rit != mm.rend(); ++rit)
        cout << rit->second << ' ';
}