#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main(){
    int a, b;
    cin >> a >> b;
    int sum = a + b;
    vector<int> res;
    if(sum < 0){
        cout << "-";
        sum = -sum;
    } 
    // 特判
    if(sum == 0){
        cout << sum << endl;
        return 0;
    }
    while(sum){
        res.push_back(sum % 10);
        sum /= 10;
    }
    string s = "";
    for(int i = 0, k = 1; i < res.size(); i ++, k ++ ){
        s += (res[i] + '0');
        if(k == 3 && i != res.size() - 1){
            s += ',';
            k = 0;
        }   
    }
    reverse(s.begin(), s.end());
    cout << s << endl;
    return 0;
}