import std.stdio;
import std.string;

void main() {
    int bottles = 99;
    char[] text = "99 bottles";

    while (bottles != 0) {
        writefln(text, " of beer on the wall,");
        writefln(text, " of beer.");
        writefln("Take one down, pass it around,");

        if (--bottles == 1) {
            text = "1 bottle";
        } else {
            text = format("%d bottles", bottles);
        }
        writefln(text, " of beer on the wall.\n");
    }
}