https://www.acmicpc.net/problem/2908 import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String[] arr = sc.nextLine().split(" "); int num1 = Integer.parseInt(new StringBuffer().append(arr[0]).reverse().toString()); int num2 = Integer.parseInt(new StringBuffer().append(arr[1]).reverse..