#include <iostream>

enum Color {
    RED,
    GREEN,
    BLUE,
    YELLOW,
    BLACK
};

int main() {
    Color myColor = GREEN;
    
    switch(myColor) {
        case RED:
            std::cout << "The color is Red." << std::endl;
            break;
        case GREEN:
            std::cout << "The color is Green." << std::endl;
            break;
        case BLUE:
            std::cout << "The color is Blue." << std::endl;
            break;
        case YELLOW:
            std::cout << "The color is Yellow." << std::endl;
            break;
        case BLACK:
            std::cout << "The color is Black." << std::endl;
            break;
        default:
            std::cout << "Unknown color." << std::endl;
    }
    
    return 0;
}