import std.stdio;
 
void main()
{
    /* Infinite loop, because the logical expression is always
     * true */
    while (true) {
        write("0:Exit, 1:Turkish, 2:English - Your choice? ");
 
        int choice;
        readf(" %s", &choice);
 
        if (choice == 0) {
            writeln("See you later...");
            break;   // The only exit of this loop
 
        } else if (choice == 1) {
            writeln("Merhaba!");
 
        } else if (choice == 2) {
            writeln("Hello!");
 
        } else {
            writeln("I don't know that... :/");
        }
    }
}

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