#include <bits/stdc++.h>

using namespace std;

constexpr float ALLOWED_DIFF = 1e-6;

std::tuple<int, double> sqrt_custom(double x) {
    double est_prev = -1, est_curr = x;
    int rounds = 0;
    while (abs(est_curr - est_prev) > ALLOWED_DIFF) {
        est_prev = est_curr;
        // est_curr = 0.5 * (est_prev + x / est_prev);
        est_curr = x / (2 * est_curr) + 0.5 * est_curr;
        rounds++;
    }
    return std::make_tuple(rounds, est_curr);
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int x;
    while (std::cin >> x) {
        auto [rounds, ans] = sqrt_custom(x);
        std::cout << rounds << " " << std::fixed << std::setprecision(2) << ans << std::endl;
    }

    return 0;
}