- #include <iostream> 
- #include <string> 
- #include <sstream> 
- #include <vector> 
- using namespace std; 
-   
- int main() { 
- 	string line; 
- 	getline(cin, line); 
- 	istringstream iss(line); 
- 	vector<long long> a; 
- 	long long tmp; 
- 	while (iss >> tmp) { 
- 		a.push_back(tmp); 
- 		iss.ignore(1, ','); 
- 	} 
- 	cout << a.size() << endl; 
- 	for (int i = 0 ; i != a.size() ; i++) { 
- 		cout << a[i] << endl; 
- 	} 
- 	return 0; 
- } 
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