String9.java

import java.util.*;

public class String9 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();
        System.out.println("Version Comparison:");

        for (int i = 1; i <= n; i++) {
            String v1 = sc.next();
            String v2 = sc.next();

            String[] a = v1.split("\\.");
            String[] b = v2.split("\\.");

            int max = Math.max(a.length, b.length);
            int result = 0;

            for (int j = 0; j < max; j++) {
                int num1 = j < a.length ? Integer.parseInt(a[j]) : 0;
                int num2 = j < b.length ? Integer.parseInt(b[j]) : 0;

                if (num1 > num2) {
                    result = 1;
                    break;
                } else if (num1 < num2) {
                    result = -1;
                    break;
                }
            }

            if (result == 1) {
                System.out.println(i + ". " + v1 + " vs " + v2 + " -> v1 is Newer");
            } else if (result == -1) {
                System.out.println(i + ". " + v1 + " vs " + v2 + " -> v2 is Newer");
            } else {
                System.out.println(i + ". " + v1 + " vs " + v2 + " -> Equal");
            }
        }

        sc.close();
    }
}