Points

import java.util.Scanner;



public class PointInRange {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);



        int n = Integer.parseInt(scanner.nextLine());



        double minDistance = Double.MAX_VALUE;



        for (int i = 0; i < n; i++) {



            String[] point1 = scanner.nextLine().split(",");

            String[] point2 = scanner.nextLine().split(",");



            int x1 = Integer.parseInt(point1[0]);

            int y1 = Integer.parseInt(point1[1]);



            int x2 = Integer.parseInt(point2[0]);

            int y2 = Integer.parseInt(point2[1]);



            double d = Math.sqrt(Math.pow((x1-x2),2)+Math.pow((y1-y2),2));



            System.out.println(String.format("%.2f",d));



            if (minDistance<d){

                minDistance = d;

            }

        }



        System.out.printf("Min Distance: %.2f",minDistance);



    }

}