#include <bits/stdc++.h>
using namespace std;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    long long m,n;
    string a,b;
    cin>>a>>b;
    if(b.at(0)=='-'){
        m=stoll(a.c_str());
        n=stoll(b.c_str());
        cout<<(m+n)<<"\n";
    }else{
        m=stoll(a.c_str());
        n=stoll(b.c_str());
        if(m+n!=0 && a.at(0)=='0'){
            cout<<a.substr(1,a.size())<<b<<"\n";
        }else if(a.at(0)=='-' && a.at(1)=='0'){
            if(a.size()==2) cout<<a.substr(2,a.size())<<b<<"\n";
            else cout<<"-"<<a.substr(2,a.size())<<b<<"\n";
        }else{
            cout<<a<<b<<"\n";
        }
    }
}