#include<iostream>
#include<string>
#include<algorithm>
 
using namespace std;
 
int to_num(char c){
    if(c >= '0' && c <= '9')
        return c - '0';
    else return 0;
}
char to_char(int c){return c + '0';}
 
int main(){
    string a, b;
 
    cin >> a >> b;
    string result;
    bool pick_up = false;
    for(const auto& c : max(a, b)){
        int add = to_num(a.back()) + to_num(b.back());
        if(pick_up) add++;
        pick_up = false;
        result.push_back(to_char(add % 10));
        a.pop_back(); b.pop_back();
        if(add >= 10) pick_up = true;
    }
    if(pick_up)result.push_back('1');
    reverse(result.begin(), result.end());
    cout << result << endl;
}

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

MSA5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5OTk5Cg==

1 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999