#include <stdio.h>
#include <math.h>

class Point {
private:
	int x;
	int y;
public:
	Point(int _x, int _y) : x(_x), y(_y) { };
	int getx() { return x; };
	int gety() { return y; };
	double distance() {return sqrt(x*x+y*y);};
};

int main(int argc, char* argv[]) {
	double min;
	Point** p;
	int x,y, i=0, j=0, InMin=0;
	if(argc < 2)
		return(-1);
	p = new Point*[argc];
	while(++i < argc)
	{
		sscanf(argv[i], "(%d%*c%d)", &x, &y);
		p[j]=new Point(x,y);
		j++;
	}
	p[j]=NULL;
	min = p[0]->distance();
	for (i=1; p[i] != NULL;  i++)
	{
		if (p[i]->distance() < min)
		{
			min = p[i]->distance();
			InMin = i;
		}
	}
	printf("Minimal distance: Dcp(%d;%d)=%f\n", p[InMin]->getx(), p[InMin]->gety(), min);
	for(i=0; p[i] != NULL; i++)
		delete p[i];
	delete [ ]p;
	return 0;
}