fun add2 (lhs: int) (rhs: int): int = do
    return lhs + rhs;
end;

fun main: int = do
    let result: int = add2(34, 35);
    @write(result);
    @write("\n");
    if result == 69 then
        @write("big cool")
    else
        @write("not cool")
    end;
end;