#include <iostream>

void print(int i) {
    switch(i) {
        case 1:
            std::cout << "un";
            break;
        case 2:
            std::cout << "deux";
            break;
        case 4:
            std::cout << "quatre";
            break;
        default:
            std::cout << "inconnu";
            break;
    }
    std::cout << "." << std::endl;
}

int main() {
    print(1);
    print(5);
}