题解 | #数字翻转#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int x = in.nextInt();
        int y = in.nextInt();
        int ans = rev(rev(x) + rev(y));
        System.out.println(ans);
    }
    public static int rev(int n){
        String str = String.valueOf(n);
        char[] s = str.toCharArray();
        reverse(s);
        String a = new String(s);
        int ans = Integer.valueOf(a);
        return ans;
    }
    public static void  reverse(char[] s){
        int len = s.length;
        for(int i = 0; i < len / 2 ; i ++ ){
            char c = s[i];
            s[i] = s[len - i - 1];
            s[len - i - 1] = c;
        }
    }
}