#include <iostream>
#include <vector>
using namespace std;
int main() {
    vector<int> v;
    v.reserve(10);
    for(int i = 0; i < 5; i++) {
        v.push_back(i);
    }
    v.insert(v.begin() + 2, 100);
    v.erase(v.end() - 1);
    cout << v.size() << " " << v.capacity() << " " << v[2] << endl;
    return 0;
}