#include <math.h>
#include <iostream>
#include <cstdio>
#include <cstdlib>
using namespace std;

class Point2 {
private:
    int x, y;
public:
    Point2(int _x, int _y) : x(_x), y(_y) { };
    int getx() { return x; };
    int gety() { return y; };
    static Point2 Polar(float, float);
};

inline Point2 Point2::Polar(float radius, float angle) {
    Point2 p(radius*cos(angle), radius*sin(angle));
    return p;
}

int main(int argc, char **argv)
{
    int i, x, y, z, radius;
    bool isPolar = false;
    if (argc < 4)
     return(puts("Error in input!\nType x, y, radius\nOr polar radius, polar angle, circle radius, polar\n"));

    if (argc > 4)
        isPolar = true;

        x = atoi(argv[1]);
        y = atoi(argv[2]);
        if ( (x == 0) && (y == 0) )
            return(puts("Every point on the circle is the nearest\n"));

    Point2 vertexIn(x, y);

    if (isPolar){
        vertexIn = Point2::Polar(x, y);
        printf("Polar\n");
    }

    radius = atoi(argv[3]);
    z = (int)sqrt( (vertexIn.getx() * vertexIn.getx()) + (vertexIn.gety() + vertexIn.gety()) );
    Point2 vertexOut( (radius * vertexIn.getx()) / z, (radius * vertexIn.gety()) / z );
    cout <<vertexOut.getx() << ';' << vertexOut.gety() <<endl;
    return 0;
}