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include [HTML_REMOVED]

using namespace std;

int main()
{
int a,b;
cin>>a>>b;
int c=a+b;
string num=to_string(c);
int j=0;
string res;

for(int i = num.size() - 1 ;i >= 0; i--) 
{
    res=num[i]+res;
    j++;
    if(j % 3 == 0  &&  i  && num[i - 1]!='-')  res=','+res;
}
cout<<res<<endl;
return 0;

}
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