//C++版代码
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
    string s, t;
    while (cin >> s >> t) {
        s.erase(remove(s.begin(), s.end(), ','), s.end());
        t.erase(remove(t.begin(), t.end(), ','), t.end());
        cout << stoi(s) + stoi(t) << endl;
    }
    return 0;
}
//Java版代码
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            int a = Integer.parseInt(sc.next().replaceAll(",", ""));
            int b = Integer.parseInt(sc.next().replaceAll(",", ""));
            System.out.println(a + b);
        }
    }
}
#Python版代码
while True:
    try:
        print(eval(input().replace(',', '').replace(' ', '+')))
    except:
        break
#或者
while True:
    try:
        print(eval(input().translate(str.maketrans({',': '', ' ': '+'}))))
    except:
        break