text: #include <bits/stdc++.h>
  
  using namespace std;
  
  int main() {
      int a, b, sum;
      cin >> a >> b;
  
      sum = a + b;
      if (sum < 0) sum = -sum, cout << '-';
  
      string s = to_string(sum), res;
  
      for (int i = s.size() - 1, j = 1; i >= 0; --i, ++j) {
          res = s[i] + res;
          if (i != 0 && j % 3 == 0) res = ',' + res;
      }
  
      cout << res << endl;
  }
  