#include <fstream>
#include <vector>
using namespace std;
int main()
{
ifstream ifs;
ifs.open("1.txt");
if(ifs == NULL)
return;
vector< vector<int> > vec;
vector<int> vec_tmp;
int tmp;
int i = 0;
while (ifs.good())
{
++i;
ifs>>tmp;
vec_tmp.push_back(tmp);
if(i == 2)
{
i = 0;
vec.push_back(vec_tmp);
vec_tmp.clear();
}
}
for(int j=0; j<vec.size(); ++j)
{
for(int k=0; k<vec[j].size(); ++k)
{
cout<<vec[j][k]<<" ";
}
cout<<endl;
}
}