#include<iostream>
#include<stdio.h>
#include<stdlib.h>
#include<algorithm>
#include<vector>
#include<string.h>
#include<math.h>
#include<map>
#include<iomanip>
#include<queue>

using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;

ll mod = 1e9 + 7;

int f(string s){
    int res = 0;
    bool minus = false;
    for(int i = 0; i < s.size(); i++){
        if('0' <= s[i] && s[i] <= '9'){
            res += s[i] - '0';
            res *= 10;
        }else if(s[i] == '-'){
            minus = true;
        }
    }
    res /= 10;
    if(minus){
        res *= -1;
    }
    return res;
}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    //cout << fixed << setprecision(15);
    string a , b;
    cin >> a >> b;
    int ans = f(a) + f(b);
    cout << ans << endl;
    return 0;
}