#include <sstream>
#include <vector>
#include <iostream>
using namespace std;

vector<int> parseInts(string str) {
    vector<int> v;
stringstream ss(str);
string temp;
while(getline(ss,temp,',')){
    v.push_back(stoi(temp));
}
return v;

}

int main() {
string str;
cin >> str;
vector<int> integers = parseInts(str);
for(int i = 0; i < integers.size(); i++) {
    cout << integers[i] << "\n";
}

return 0;

}