import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String str1 = sc.next(); String str2 = sc.next(); int a = Integer.parseInt(str1.replaceAll("^0[x|X]",""),16); int b = Integer.parseInt(str2.replaceAll("^0",""),8); long sum = (...