#include <vector>
#include <iostream>

using namespace std;


int main(int argc, const char * argv[])
{
    vector<int> v;

    for(int a; cin >> a ; )
    {
        if (a == -1)  break;
        v.push_back(a);
    }

    vector<vector<int>> res(v.size()/6);

    for(int i = 0; i < v.size(); i++)
    {
        res[i/6].push_back(v[i]);
    }

    for(auto& w: res)
    {
        for(auto i: w) cout << i << " "; cout << endl;
    }
}