string_stream.cpp

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

vector<int> parseInts(string str) {
    vector<int> numbers;
    stringstream stream(str);
    int number;
    char separator;
    while (stream >> number) {
        numbers.push_back(number);
        stream >> separator;
    }
    return numbers;
}

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;
}