#include <iostream>
    #include <vector>
    #include <algorithm>
    using namespace std;
    void Result(const vector<int>& VectorData)
    {
        for (size_t k = 0; k < VectorData.size(); ++k)
        {
            cout << VectorData[k] << ' ';
        }
    }
    int main()
    {
        vector<int> VectorData;
        VectorData.push_back(4);
        VectorData.push_back(8);
        sort(VectorData.begin(), VectorData.end());
        Result(VectorData);
        while(next_permutation(VectorData.begin(), VectorData.end()))
        Result(VectorData);
        return 0;
    }