#include <iostream>
#include <map>
#include <string>

int main() {
    std::map<std::string, int> counts{{"red", 2}, {"blue", 1}};
    std::cout << counts.size() << '\n';
    const int observed = counts["green"];
    std::cout << observed << '\n';
    std::cout << counts.size() << '\n';
    return 0;
}