Snorlax hates working out

The days are getting warmer, and it's about time that Snorlax starts working out. Snorlax, as lazy as he is, is least interested. However, Ash is ready with a schedule, and this time it's a little bit different. Ash gives a plan for each day, telling how many days Snorlax needs to work out in the next $K$ consecutive days. The $N-day$ workout plan, prepared by Ash, consists of $N-K+1$ numbers, t