IDZ#RIGHT#

#include<fstream>
#include<vector>
#include<iomanip>
#include<cmath>

using namespace std;

double dx(double direction, double trace)
{
    if (direction == 2 || direction == 4)
        return (sqrt(2)/ 2 * trace);
    else if (direction == 3)
        return trace;
    else if (direction == 6 || direction == 8)
        return (-sqrt(2)/ 2 * trace);
    else if (direction == 7)
        return (-1) * trace;
    return 0;
}

double dy(double direction, double trace)
{
    if (direction == 2 || direction == 8)
        return (sqrt(2)/ 2 * trace);
    else if (direction == 1)
        return trace;
    else if (direction == 6 || direction == 4)
        return (-sqrt(2)/ 2* trace);
    else if (direction == 5)
        return (-1) * trace;
    return 0;
}

int main()
{
    ifstream fileIn;
    fileIn.open("INPUT.TXT");
    int N;
    fileIn >> N;
    if(N>40)
        N = 40;

    vector <int> traces;
    vector <int> directions;

    int k;
    int l;
    int n = N;
    while (n > 0)
    {
        fileIn >> l;
        directions.push_back(l);
        fileIn >> k;
        traces.push_back(k);
        n--;
    }
    fileIn.close();

    double x = 0;
    double y = 0;
    for (int i = 0; i < N; i++)
    {
            x = x + dx(directions[i], traces[i]);

            y = y + dy(directions[i], traces[i]);
    }

    ofstream fileOut;
    fileOut.setf(ios::fixed);
    fileOut.precision(3);

    fileOut.open("OUTPUT.txt");


    fileOut << x << ' ' << y;

    fileOut.close();

    return 0;
}