#include <iostream>
#include <algorithm>
using namespace std;

string add(string a, string b) {
    reverse(a.begin(), a.end());
    reverse(b.begin(), b.end());
    string res;
    int carry = 0;
    for(int i=0; i<max(a.size(),b.size()); ++i) {
        int sum = carry;
        if(i < a.size()) sum += a[i]-'0';
        if(i < b.size()) sum += b[i]-'0';
        res.push_back(sum%10 + '0');
        carry = sum/10;
    }
    if(carry) res.push_back('1');
    reverse(res.begin(), res.end());
    return res;
}

int main() {
    string a, b;
    cin >> a >> b;
    cout << add(a, b);
    return 0;
}

大家不要抄啊