#include <iostream>

#include <map>

using namespace std;

​

int main() {

  map<string, int> people = { {"John", 32}, {"Adele", 45}, {"Bo", 29} };

​

  // Trying to add two elements with equal keys

  people.insert({"Jenny", 22});

  people.insert({"Jenny", 30});

  cout << "Jenny is: " << people.at("Jenny") << "\n";

  return 0;

}

​