dz#9

#include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;
int main()
{
    setlocale(LC_ALL, "Russian");
    int i, n;
    cin >> n;
    for (i = 1; i <= n; i++) {
        cout << i * i <<"  "<< sqrt(i*i) << endl;
    }
}