#include <cmath>
#include <iostream>
#include <vector>

int main() {
    short negative = 0;
    std::vector<double> array_all;      //all elements
    std::vector<double> array_second;   //elements after the second negative
    for(int i = 0; i < 12; ++i) {
        double tmp = 4.4 * std::tan(2.1 * (i + 1)) + (12.16 * std::pow(i + 1, 3.0) + std::cos(2.0 * (i + 1)))
            / (3.0 * (2.0 * std::exp(1.1 * (i + 1)) - 0.6));
        array_all.push_back(tmp);
        if(tmp < 0) ++negative;
        if(negative >= 2) array_second.push_back(tmp);
    }

    return 0;
}