Bear and Milky Cookies

Limak is a little polar bear, who loves eating cookies and drinking milk. For this reason he often visits Chef's kitchen. Limak is going to spend N minutes in the kitchen. Each minute he either eats a cookie or drinks milk. Cookies are very sweet and thus Limak's parents have instructed him, that after eating a cookie, he has to drink milk in the next minute. You are given whether he ate a coo