#include <cstdlib>
#include <iostream>
#include <vector>
#include <iostream>
#include <string>

int main(int argc, char *argv[]) {
    std::vector<int> test0{1, 2, 3, 4};
    std::vector<std::string> test{"a", "b", "c"};
    std::cout << test[0];
    return 0;
}