#include<iostream>
#include<string>
using namespace std
;
int main( )
{
int a
,b
;
cin
>>a
>>b
;
string s
=to_string(a
+b
);
int len
=s
.size();
for(int i
=0;i
<len
;i
++)
{
cout
<<s
[i
];
if(s
[i
]=='-') continue;
if((i
+1)%3==len
%3&&i
!=len
-1) cout
<<",";
}
return 0;
}
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