#include <bits/stdc++.h>

using namespace std;

ifstream fin("gogo");

void fini(int x)
{
        freopen("gogo","w",stdout);
        cout<<x<<"\n";
        exit(0);
}

int main()
{
        freopen ("adunare.in", "r", stdin);
        freopen ("adunare.out", "w", stdout);

        int a,b;
        cin>>a>>b;

        int bg=0,s;
        while(fin>>s)
        {
                bg=s;
        }
        if(bg==0) fini(bg+1);
        cout<<a+b<<"\n";
        fini(bg+1);
}