文件目录

#include <bits/stdc++.h>
using namespace std;
string a, b;
string jia(string a, string b)
{
    reverse(a.begin(), a.end());
    reverse(b.begin(), b.end());
    while (a.size() > b.size())
        b.push_back('0');
    string ans = "";
    int jw = 0;
    for (int i = 0; i < a.size(); i++)
    {
        int sum = a[i] + b[i] - 96 + jw;
        jw = sum / 10;
        ans.push_back(sum % 10 + '0');
    }
    if (jw)
        ans.push_back('1');
    while (ans.back() == '0')
        ans.pop_back();
    reverse(ans.begin(), ans.end());
    return ans;
}
int main()
{
    cin >> a >> b;
    if (a.size() < b.size())
        swap(a, b);
    cout << jia(a, b);
    return 0;
}