#include <bits/stdc++.h>

using namespace std;

ifstream fin("adunare.in");
ofstream fout("adunare.out");

istream &operator>>(istream &fin, __int128 &number) {
    string s;
    fin>>s;
    number = 0;
    for (auto c : s)
        number = number*10+(c-'0');
    return fin;
}
ostream &operator<<(ostream &fout, __int128 number) {
    string s = "";
    do
        s += (char)(number%10+'0'), number /= 10;
    while (number);
    reverse(s.begin(), s.end());
    fout<<s;
    return fout;
}

int main() {
    ios_base :: sync_with_stdio(false);
    fin.tie(nullptr), fout.tie(nullptr);

    __int128 a, b;
    fin>>a>>b;
    fout<<a+b;
    return 0;
}