1 /*
2 高精度加法
3 结构体初始化
4 重载赋值符号 加号
5 定义输出字符串函数用于输出流
6 重载输入输出流
7 */
8 #include<bits/stdc++.h>
9 using namespace std;
10 const int maxn=10000;
11 struct bign{
12 int d[maxn],len;
13 inline bign(){len=1;memset(d,0,sizeof(d));};
14 inline bign operator = (const char* num)
15 {
16 memset(d,0,sizeof(d));
17 len=strlen(num);
18 for(int i=0;i<len;i++) d[i]=num[len-i-1]-48;
19 return *this;
20 }
21 inline bign operator + (const bign &b)
22 {
23 int x=0,i,lenmax=max(len,b.len);
24 bign c;c.len=lenmax;
25 for(i=0;i<lenmax;i++)
26 {
27 c.d[i]=d[i]+x+b.d[i];
28 x=c.d[i]/10;
29 c.d[i]%=10;
30 }
31 x?c.d[i]=x:i--;
32 c.len=i+1;
33 return c;
34 }
35 inline string str() const
36 {
37 char s[maxn]={};
38 for(int i=0;i<len;i++) s[len-i-1]=d[i]+48;
39 return s;
40 }
41 }a,b;
42 inline istream& operator >> (istream &in,bign &x)
43 {
44 string s;
45 in>>s;
46 x=s.c_str();
47 return in;
48 }
49 inline ostream& operator << (ostream &out,const bign &x)
50 {
51 out<<x.str();
52 return out;
53 }
54 int main()
55 {
56 cin>>a>>b;
57 cout<<a+b;
58 return 0;
59 }
