1 #include<bits/stdc++.h>
2 using namespace std;
3 int a[506],b[506],lena,lenb,js;string a1,b2;
4 int main()
5 {
6 cin>>a1>>b2;
7 lena=a1.length();
8 lenb=b2.length();
9 for(int i=0;i<=lena-1;i++){
10 a[lena-i-1]=a1[i]-'0';
11 }
12 for(int i=0;i<=lenb-1;i++){
13 b[lenb-i-1]=b2[i]-'0';
14 }
15 if(lena>=lenb){
16 for(int i=0;i<=lena-1;i++){
17 int ss=a[i];
18 a[i]=(b[i]+js+a[i])%10;
19 js=(ss+b[i]+js)/10;
20 }
21 if(js) a[lena]=js;
22 else lena--;
23 for(int i=lena;i>=0;i--) cout<<a[i];
24 return 0;
25 }
26 else{
27 for(int i=0;i<=lenb-1;i++){
28 int ss=b[i];
29 b[i]=(b[i]+js+a[i])%10;
30 js=(ss+a[i]+js)/10;
31 }
32 if(js) b[lenb]=js;
33 else lenb--;
34 for(int i=lenb;i>=0;i--) cout<<b[i];
35 return 0;
36 }
37 return 0;
38 }
