#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;
}
}
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