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#include <bits/stdc++.h>

using namespace std;

template <class T, class U> auto &operator<<(ostream &out, pair<T, U> a) { return out << "(" << a.first << ", " << a.second << ")"; }
template <class T, class = class enable_if<!is_same<T, string>(), class T::iterator>::type> auto &operator<<(ostream &out, T a) {
    out << "{";
    bool fi = 1;
    for(auto b : a) {
        if(fi) {out<<b; fi=0;}
        else out<<", "<<b;
    }
    return out << "}";
}
void dump(){
   cerr << "\e"<<"\n";
}
template <class T, class... Ts> void dump(T a, Ts... x) {
   cerr << a << ", ";
   dump(x...);
}
#define debug(...) cerr << "\e"<<__func__<<":"<<__LINE__<<"\t"<<"[" #__VA_ARGS__ "]: ", dump(__VA_ARGS__)
//#define debug(...) ;

string add(string a, string b){
    a = "0"+a;
    b = "0"+b;
    if(a.size() < b.size()) swap(a,b);
    int cnt = a.size()-b.size();
    string buf="";
    while(cnt--) buf+="0";
    b = buf+b;
    for(int i=a.size()-1; i>=0; --i){
        if(i>=b.size()) continue;
        a[i] += b[i]-'0';
        if(a[i]>'9'){
            a[i]-=10;
            a[i-1]++;
        }
    }
    while(a[0]=='0' && a.size()>1) a.erase(a.begin());
    return a;
}

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