// OCSALY
// LOOPS
#include <iostream>
using namespace std;

int main() {

    for (float myvar = 0.f; myvar < 10.f; ++myvar) {
        cout << myvar;
        if (myvar == 0) {
            cout << endl;
            continue;
        }
        cout << " " << (1 / myvar) << endl;

    }


}