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#include <iostream>
#include <sstream>
#include <string>
#include <vector>
using namespace std;
void split(const string& s, vector<int>& sv, const char flag = ' ') {
    sv.clear();
    istringstream iss(s);
    string temp;

    while (getline(iss, temp, flag)) {
        sv.push_back(stoi(temp));
    }
    return;
}

int main() {
    string s;
    cin >> s;
    vector<int> sv;
    split(s, sv, ',');
    cout << "验证切分效果\n";
    for (const auto& s : sv) {
        cout << s << ' ';
    }

    return 0;
}