Paper Cutting

Chef has a **square-shaped** chart paper with the side length equal to $N$. He wants to cut out $K \times K$ squares from this chart paper. Find the **maximum** number of $K \times K$ squares he can cut from the entire chart paper. Note that, some part of the chart paper might not be a included in any $K \times K$ cutout square. ### Input - The first line contains a single integer $T$ — the nu